264991464432 has 60 divisors (see below), whose sum is σ = 741665982720. Its totient is φ = 88323588864.

The previous prime is 264991464373. The next prime is 264991464449. The reversal of 264991464432 is 234464199462.

264991464432 is a `hidden beast` number, since 2 + 6 + 499 + 146 + 4 + 4 + 3 + 2 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1981044 + ... + 2110572.

It is an arithmetic number, because the mean of its divisors is an integer number (12361099712).

Almost surely, 2^264991464432 is an apocalyptic number.

It is an amenable number.

264991464432 is an abundant number, since it is smaller than the sum of its proper divisors (476674518288).

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

264991464432 is a wasteful number, since it uses less digits than its factorization.

264991464432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143750 (or 143741 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 54.

The spelling of 264991464432 in words is "two hundred sixty-four billion, nine hundred ninety-one million, four hundred sixty-four thousand, four hundred thirty-two".