401556862112 has 48 divisors (see below), whose sum is σ = 910617200640. Its totient is φ = 170740700928.

The previous prime is 401556862043. The next prime is 401556862127. The reversal of 401556862112 is 211268655104.

It is a super-2 number, since 2×401556862112² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 401556862112.

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, 7029287 + ... + 7086182.

It is an arithmetic number, because the mean of its divisors is an integer number (18971191680).

Almost surely, 2^401556862112 is an apocalyptic number.

It is an amenable number.

401556862112 is an abundant number, since it is smaller than the sum of its proper divisors (509060338528).

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

401556862112 is a wasteful number, since it uses less digits than its factorization.

401556862112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14115613 (or 14115605 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 41.

The spelling of 401556862112 in words is "four hundred one billion, five hundred fifty-six million, eight hundred sixty-two thousand, one hundred twelve".