264497004 has 18 divisors (see below), whose sum is σ = 668589740. Its totient is φ = 88165656.

The previous prime is 264496993. The next prime is 264497011. The reversal of 264497004 is 400794462.

264497004 is a `hidden beast` number, since 2 + 644 + 9 + 7 + 0 + 0 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 7347139 = 264497004 / (2 + 6 + 4 + 4 + 9 + 7 + 0 + 0 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 264497004.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3673534 + ... + 3673605.

Almost surely, 2^264497004 is an apocalyptic number.

It is an amenable number.

264497004 is an abundant number, since it is smaller than the sum of its proper divisors (404092736).

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

264497004 is a wasteful number, since it uses less digits than its factorization.

264497004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7347149 (or 7347144 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 264497004 is about 16263.3638586856. The cubic root of 264497004 is about 641.9091786393.

The spelling of 264497004 in words is "two hundred sixty-four million, four hundred ninety-seven thousand, four".