401515626256 has 40 divisors (see below), whose sum is σ = 803330155008. Its totient is φ = 194209440000.

The previous prime is 401515626221. The next prime is 401515626283. The reversal of 401515626256 is 652626515104.

It is a super-2 number, since 2×401515626256² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1195356 + ... + 1493956.

Almost surely, 2^401515626256 is an apocalyptic number.

It is an amenable number.

401515626256 is an abundant number, since it is smaller than the sum of its proper divisors (401814528752).

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

401515626256 is a wasteful number, since it uses less digits than its factorization.

401515626256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301351 (or 301345 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 43.

The spelling of 401515626256 in words is "four hundred one billion, five hundred fifteen million, six hundred twenty-six thousand, two hundred fifty-six".