32407581768 has 64 divisors (see below), whose sum is σ = 81332951040. Its totient is φ = 10760738304.

The previous prime is 32407581749. The next prime is 32407581779. The reversal of 32407581768 is 86718570423.

It is a self number, because there is not a number n which added to its sum of digits gives 32407581768.

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, 9493630 + ... + 9497042.

It is an arithmetic number, because the mean of its divisors is an integer number (1270827360).

Almost surely, 2^32407581768 is an apocalyptic number.

It is an amenable number.

32407581768 is an abundant number, since it is smaller than the sum of its proper divisors (48925369272).

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

32407581768 is a wasteful number, since it uses less digits than its factorization.

32407581768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4838 (or 4834 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 51.

The spelling of 32407581768 in words is "thirty-two billion, four hundred seven million, five hundred eighty-one thousand, seven hundred sixty-eight".