402419544320 has 36 divisors (see below), whose sum is σ = 963920567820. Its totient is φ = 160967817216.

The previous prime is 402419544299. The next prime is 402419544383. The reversal of 402419544320 is 23445914204.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 183005995264 + 219413549056 = 427792^2 + 468416^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157193855 + ... + 157196414.

Almost surely, 2^402419544320 is an apocalyptic number.

402419544320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

402419544320 is an abundant number, since it is smaller than the sum of its proper divisors (561501023500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

402419544320 is an equidigital number, since it uses as much as digits as its factorization.

402419544320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314390290 (or 314390276 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 402419544320 in words is "four hundred two billion, four hundred nineteen million, five hundred forty-four thousand, three hundred twenty".