401313972 has 48 divisors (see below), whose sum is σ = 1017497600. Its totient is φ = 122640480.

The previous prime is 401313967. The next prime is 401314009. The reversal of 401313972 is 279313104.

It is a super-2 number, since 2×401313972² = 322105808244833568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21322 + ... + 35457.

Almost surely, 2^401313972 is an apocalyptic number.

It is an amenable number.

401313972 is an abundant number, since it is smaller than the sum of its proper divisors (616183628).

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

401313972 is a wasteful number, since it uses less digits than its factorization.

401313972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56836 (or 56834 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 401313972 is about 20032.8223673051. The cubic root of 401313972 is about 737.6122036313.

The spelling of 401313972 in words is "four hundred one million, three hundred thirteen thousand, nine hundred seventy-two".