45664973312 has 80 divisors (see below), whose sum is σ = 109763480640. Its totient is φ = 18540638208.

The previous prime is 45664973309. The next prime is 45664973327. The reversal of 45664973312 is 21337946654.

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, 267203 + ... + 403394.

It is an arithmetic number, because the mean of its divisors is an integer number (1372043508).

Almost surely, 2^45664973312 is an apocalyptic number.

It is an amenable number.

45664973312 is an abundant number, since it is smaller than the sum of its proper divisors (64098507328).

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

45664973312 is an equidigital number, since it uses as much as digits as its factorization.

45664973312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670641 (or 670625 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 50.

The spelling of 45664973312 in words is "forty-five billion, six hundred sixty-four million, nine hundred seventy-three thousand, three hundred twelve".