32256720400 has 60 divisors (see below), whose sum is σ = 79145684352. Its totient is φ = 12628155520.

The previous prime is 32256720359. The next prime is 32256720437. The reversal of 32256720400 is 402765223.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 839092 + ... + 876691.

Almost surely, 2^32256720400 is an apocalyptic number.

It is an amenable number.

32256720400 is an abundant number, since it is smaller than the sum of its proper divisors (46888963952).

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

32256720400 is a wasteful number, since it uses less digits than its factorization.

32256720400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1715848 (or 1715837 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 31.

The spelling of 32256720400 in words is "thirty-two billion, two hundred fifty-six million, seven hundred twenty thousand, four hundred".