32331764640 has 96 divisors (see below), whose sum is σ = 116394364800. Its totient is φ = 7390116864.

The previous prime is 32331764579. The next prime is 32331764651. The reversal of 32331764640 is 4646713323.

It is a tau number, because it is divible by the number of its divisors (96).

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, 4807915 + ... + 4814634.

It is an arithmetic number, because the mean of its divisors is an integer number (1212441300).

Almost surely, 2^32331764640 is an apocalyptic number.

32331764640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32331764640 is an abundant number, since it is smaller than the sum of its proper divisors (84062600160).

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

32331764640 is a wasteful number, since it uses less digits than its factorization.

32331764640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9622574 (or 9622566 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 39.

The spelling of 32331764640 in words is "thirty-two billion, three hundred thirty-one million, seven hundred sixty-four thousand, six hundred forty".