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Sesquadragintacentillion

A Sesquadragintacentillion (1 Sesquadragintacentillion) is 10 to the power of 441 (10^441). This is an excessively astronomical number!

How many zeros in a Sesquadragintacentillion?

There are 441 zeros in a Sesquadragintacentillion.

What's before Sesquadragintacentillion?

A Quinquadragintacentillion is smaller than a Sesquadragintacentillion.

What's after Sesquadragintacentillion?

A Septenquadragintacentillion is larger than a Sesquadragintacentillion.

Sesquadragintacentillionaire

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

Is Sesquadragintacentillion the largest number?

Sesquadragintacentillion 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.

Sesquadragintacentillion written out

Sesquadragintacentillion 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


Big Numbers

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