A Quinquadragintacentillion (1 Quinquadragintacentillion) is 10 to the power of 438 (10^438). This is a grandiosely astronomical number!

## How many zeros in a Quinquadragintacentillion?

There are 438 zeros in a Quinquadragintacentillion.

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

## Is Quinquadragintacentillion the largest number?

Quinquadragintacentillion 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.

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

## Big Numbers

This is just one of many really big numbers!