264404296875 has 78 divisors (see below), whose sum is σ = 465087890244. Its totient is φ = 133593750000.

The previous prime is 264404296829. The next prime is 264404296969. The reversal of 264404296875 is 578692404462.

It is not a de Polignac number, because 264404296875 - 2⁸ = 264404296619 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

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 77 ways as a sum of consecutive naturals, for example, 13916015616 + ... + 13916015634.

Almost surely, 2^264404296875 is an apocalyptic number.

264404296875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

264404296875 is a deficient number, since it is larger than the sum of its proper divisors (200683593369).

264404296875 is an frugal number, since it uses more digits than its factorization.

264404296875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101 (or 27 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 57.

The spelling of 264404296875 in words is "two hundred sixty-four billion, four hundred four million, two hundred ninety-six thousand, eight hundred seventy-five".