265712675720 has 16 divisors (see below), whose sum is σ = 597853520460. Its totient is φ = 106285070272.

The previous prime is 265712675717. The next prime is 265712675731. The reversal of 265712675720 is 27576217562.

It can be written as a sum of positive squares in 2 ways, for example, as 244310741284 + 21401934436 = 494278^2 + 146294^2 .

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 3 ways as a sum of consecutive naturals, for example, 3321408407 + ... + 3321408486.

Almost surely, 2^265712675720 is an apocalyptic number.

265712675720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

265712675720 is an abundant number, since it is smaller than the sum of its proper divisors (332140844740).

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

265712675720 is a wasteful number, since it uses less digits than its factorization.

265712675720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6642816904 (or 6642816900 counting only the distinct ones).

The product of its (nonzero) digits is 2469600, while the sum is 50.

The spelling of 265712675720 in words is "two hundred sixty-five billion, seven hundred twelve million, six hundred seventy-five thousand, seven hundred twenty".