156401012432 has 40 divisors (see below), whose sum is σ = 346336916352. Its totient is φ = 67025059200.

The previous prime is 156401012381. The next prime is 156401012461. The reversal of 156401012432 is 234210104651.

It is a super-2 number, since 2×156401012432² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 156401012395 and 156401012404.

It is a congruent number.

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, 2656757 + ... + 2714987.

Almost surely, 2^156401012432 is an apocalyptic number.

It is an amenable number.

156401012432 is an abundant number, since it is smaller than the sum of its proper divisors (189935903920).

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

156401012432 is a wasteful number, since it uses less digits than its factorization.

156401012432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82227 (or 82221 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The spelling of 156401012432 in words is "one hundred fifty-six billion, four hundred one million, twelve thousand, four hundred thirty-two".