264005372475 has 144 divisors (see below), whose sum is σ = 522075473920. Its totient is φ = 126706809600.

The previous prime is 264005372429. The next prime is 264005372489. The reversal of 264005372475 is 574273500462.

264005372475 is a `hidden beast` number, since 2 + 6 + 40 + 0 + 537 + 2 + 4 + 75 = 666.

It is not a de Polignac number, because 264005372475 - 2³² = 259710405179 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 264005372475.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 77853030 + ... + 77856420.

Almost surely, 2^264005372475 is an apocalyptic number.

264005372475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

264005372475 is a deficient number, since it is larger than the sum of its proper divisors (258070101445).

264005372475 is a wasteful number, since it uses less digits than its factorization.

264005372475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4082 (or 4074 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 45.

The spelling of 264005372475 in words is "two hundred sixty-four billion, five million, three hundred seventy-two thousand, four hundred seventy-five".