264440621463004 has 36 divisors (see below), whose sum is σ = 538381449762240. Its totient is φ = 113319926717760.

The previous prime is 264440621462989. The next prime is 264440621463127. The reversal of 264440621463004 is 400364126044462.

264440621463004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68156289 + ... + 71931640.

Almost surely, 2^{264440621463004} is an apocalyptic number.

It is an amenable number.

264440621463004 is an abundant number, since it is smaller than the sum of its proper divisors (273940828299236).

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

264440621463004 is a wasteful number, since it uses less digits than its factorization.

264440621463004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140097578 (or 140097569 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 46.

The spelling of 264440621463004 in words is "two hundred sixty-four trillion, four hundred forty billion, six hundred twenty-one million, four hundred sixty-three thousand, four".