32400113720 has 64 divisors (see below), whose sum is σ = 78528018240. Its totient is φ = 11960064000.

The previous prime is 32400113699. The next prime is 32400113737. The reversal of 32400113720 is 2731100423.

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, 3615245 + ... + 3624195.

It is an arithmetic number, because the mean of its divisors is an integer number (1227000285).

Almost surely, 2^32400113720 is an apocalyptic number.

It is an amenable number.

32400113720 is an abundant number, since it is smaller than the sum of its proper divisors (46127904520).

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

32400113720 is a wasteful number, since it uses less digits than its factorization.

32400113720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15936 (or 15932 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The spelling of 32400113720 in words is "thirty-two billion, four hundred million, one hundred thirteen thousand, seven hundred twenty".