A Duoquadragintatrecentillion (1 Duoquadragintatrecentillion) is 10 to the power of 1029 (10^1029). This is a stupendously astronomical number!

## How many zeros in a Duoquadragintatrecentillion?

There are 1,029 zeros in a Duoquadragintatrecentillion.

## What's before Duoquadragintatrecentillion?

A Unquadragintatrecentillion is smaller than a Duoquadragintatrecentillion.

## What's after Duoquadragintatrecentillion?

A Tresquadragintatrecentillion is larger than a Duoquadragintatrecentillion.

A Duoquadragintatrecentillionaire is someone whos assets, net worth or wealth is 1 or more Duoquadragintatrecentillion. It is unlikely anyone will ever be a true Duoquadragintatrecentillionaire. If you want to be a Duoquadragintatrecentillionaire, play Tap Tales!

## Is Duoquadragintatrecentillion the largest number?

Duoquadragintatrecentillion is not the largest number. Infinity best describes the largest possible number - if there even is one! We cannot comprehend what the largest number actually is.

## Duoquadragintatrecentillion written out

Duoquadragintatrecentillion is written out as:

1,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000

## Big Numbers

This is just one of many really big numbers!