264664400138760 has 64 divisors (see below), whose sum is σ = 828514643921280. Its totient is φ = 67508600614400.

The previous prime is 264664400138729. The next prime is 264664400138813. The reversal of 264664400138760 is 67831004466462.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 264664400138760.

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 15 ways as a sum of consecutive naturals, for example, 47946446541 + ... + 47946452060.

It is an arithmetic number, because the mean of its divisors is an integer number (12945541311270).

Almost surely, 2^{264664400138760} is an apocalyptic number.

264664400138760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

264664400138760 is an abundant number, since it is smaller than the sum of its proper divisors (563850243782520).

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

264664400138760 is a wasteful number, since it uses less digits than its factorization.

264664400138760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95892898638 (or 95892898634 counting only the distinct ones).

The product of its (nonzero) digits is 27869184, while the sum is 57.

The spelling of 264664400138760 in words is "two hundred sixty-four trillion, six hundred sixty-four billion, four hundred million, one hundred thirty-eight thousand, seven hundred sixty".