264939400 has 48 divisors (see below), whose sum is σ = 671988240. Its totient is φ = 96340800.

The previous prime is 264939397. The next prime is 264939413. The reversal of 264939400 is 4939462.

It is a self number, because there is not a number n which added to its sum of digits gives 264939400.

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, 58014 + ... + 62413.

It is an arithmetic number, because the mean of its divisors is an integer number (13999755).

Almost surely, 2^264939400 is an apocalyptic number.

264939400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

264939400 is an abundant number, since it is smaller than the sum of its proper divisors (407048840).

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

264939400 is a wasteful number, since it uses less digits than its factorization.

264939400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120454 (or 120445 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 264939400 is about 16276.9591754725. The cubic root of 264939400 is about 642.2668636906.

The spelling of 264939400 in words is "two hundred sixty-four million, nine hundred thirty-nine thousand, four hundred".