401368872 has 32 divisors (see below), whose sum is σ = 1010076480. Its totient is φ = 132902400.

The previous prime is 401368867. The next prime is 401368897. The reversal of 401368872 is 278863104.

It is a super-2 number, since 2×401368872² = 322193942821104768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 401368872.

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, 51753 + ... + 59000.

It is an arithmetic number, because the mean of its divisors is an integer number (31564890).

Almost surely, 2^401368872 is an apocalyptic number.

It is an amenable number.

401368872 is an abundant number, since it is smaller than the sum of its proper divisors (608707608).

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

401368872 is a wasteful number, since it uses less digits than its factorization.

401368872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110913 (or 110909 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 401368872 is about 20034.1925717010. The cubic root of 401368872 is about 737.6458373664.

The spelling of 401368872 in words is "four hundred one million, three hundred sixty-eight thousand, eight hundred seventy-two".