264478312 has 32 divisors (see below), whose sum is σ = 570510720. Its totient is φ = 112593600.

The previous prime is 264478303. The next prime is 264478327. The reversal of 264478312 is 213874462.

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, 7183 + ... + 24094.

It is an arithmetic number, because the mean of its divisors is an integer number (17828460).

Almost surely, 2^264478312 is an apocalyptic number.

It is an amenable number.

264478312 is an abundant number, since it is smaller than the sum of its proper divisors (306032408).

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

264478312 is a wasteful number, since it uses less digits than its factorization.

264478312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31441 (or 31437 counting only the distinct ones).

The product of its digits is 64512, while the sum is 37.

The square root of 264478312 is about 16262.7891826710. The cubic root of 264478312 is about 641.8940570452.

The spelling of 264478312 in words is "two hundred sixty-four million, four hundred seventy-eight thousand, three hundred twelve".