264385264 has 40 divisors (see below), whose sum is σ = 601805232. Its totient is φ = 110929920.

The previous prime is 264385249. The next prime is 264385273. The reversal of 264385264 is 462583462.

264385264 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 55489 + ... + 60064.

Almost surely, 2^264385264 is an apocalyptic number.

It is an amenable number.

264385264 is an abundant number, since it is smaller than the sum of its proper divisors (337419968).

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

264385264 is a wasteful number, since it uses less digits than its factorization.

264385264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115585 (or 115579 counting only the distinct ones).

The product of its digits is 276480, while the sum is 40.

The square root of 264385264 is about 16259.9281671230. The cubic root of 264385264 is about 641.8187717745.

The spelling of 264385264 in words is "two hundred sixty-four million, three hundred eighty-five thousand, two hundred sixty-four".