A Septenquadragintacentillion (1 Septenquadragintacentillion) is 10 to the power of 444 (10^444). This is an excessively astronomical number!

How many zeros in a Septenquadragintacentillion?

There are 444 zeros in a Septenquadragintacentillion.

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

Septenquadragintacentillion 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.

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

Big Numbers

This is just one of many really big numbers!