264945129720 has 64 divisors (see below), whose sum is σ = 794940700320. Its totient is φ = 70642673664.

The previous prime is 264945129679. The next prime is 264945129791. The reversal of 264945129720 is 27921549462.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 787972 + ... + 1072748.

Almost surely, 2^264945129720 is an apocalyptic number.

264945129720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

264945129720 is an abundant number, since it is smaller than the sum of its proper divisors (529995570600).

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

264945129720 is a wasteful number, since it uses less digits than its factorization.

264945129720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292544 (or 292540 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 264945129720 in words is "two hundred sixty-four billion, nine hundred forty-five million, one hundred twenty-nine thousand, seven hundred twenty".