264563348872 has 32 divisors (see below), whose sum is σ = 503723705400. Its totient is φ = 130243313664.

The previous prime is 264563348867. The next prime is 264563348891. The reversal of 264563348872 is 278843365462.

It can be written as a sum of positive squares in 4 ways, for example, as 256009688676 + 8553660196 = 505974^2 + 92486^2 .

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, 55597 + ... + 729532.

Almost surely, 2^264563348872 is an apocalyptic number.

It is an amenable number.

264563348872 is a deficient number, since it is larger than the sum of its proper divisors (239160356528).

264563348872 is a wasteful number, since it uses less digits than its factorization.

264563348872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785785 (or 785781 counting only the distinct ones).

The product of its digits is 46448640, while the sum is 58.

The spelling of 264563348872 in words is "two hundred sixty-four billion, five hundred sixty-three million, three hundred forty-eight thousand, eight hundred seventy-two".