264304872 has 48 divisors (see below), whose sum is σ = 770891940. Its totient is φ = 81324288.

The previous prime is 264304861. The next prime is 264304903. The reversal of 264304872 is 278403462.

264304872 is a `hidden beast` number, since 2 + 643 + 0 + 4 + 8 + 7 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 239444676 + 24860196 = 15474^2 + 4986^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140253 + ... + 142124.

Almost surely, 2^264304872 is an apocalyptic number.

It is an amenable number.

264304872 is an abundant number, since it is smaller than the sum of its proper divisors (506587068).

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

264304872 is a wasteful number, since it uses less digits than its factorization.

264304872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282402 (or 282395 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 264304872 is about 16257.4558895296. The cubic root of 264304872 is about 641.7537122669.

The spelling of 264304872 in words is "two hundred sixty-four million, three hundred four thousand, eight hundred seventy-two".