264923398872 has 64 divisors (see below), whose sum is σ = 802798185600. Its totient is φ = 80279817120.

The previous prime is 264923398853. The next prime is 264923398903. The reversal of 264923398872 is 278893329462.

264923398872 is a `hidden beast` number, since 26 + 492 + 33 + 98 + 8 + 7 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55747498 + ... + 55752249.

It is an arithmetic number, because the mean of its divisors is an integer number (12543721650).

Almost surely, 2^264923398872 is an apocalyptic number.

264923398872 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

264923398872 is an abundant number, since it is smaller than the sum of its proper divisors (537874786728).

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

264923398872 is a wasteful number, since it uses less digits than its factorization.

264923398872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111499773 (or 111499763 counting only the distinct ones).

The product of its digits is 62705664, while the sum is 63.

The spelling of 264923398872 in words is "two hundred sixty-four billion, nine hundred twenty-three million, three hundred ninety-eight thousand, eight hundred seventy-two".