255307634244 has 72 divisors (see below), whose sum is σ = 735886733400. Its totient is φ = 73935240192.

The previous prime is 255307634207. The next prime is 255307634279. The reversal of 255307634244 is 442436703552.

255307634244 is a `hidden beast` number, since 2 + 5 + 5 + 3 + 0 + 7 + 634 + 2 + 4 + 4 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 73565712900 + 181741921344 = 271230^2 + 426312^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 255307634244.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16037019 + ... + 16052930.

It is an arithmetic number, because the mean of its divisors is an integer number (10220649075).

Almost surely, 2^255307634244 is an apocalyptic number.

It is an amenable number.

255307634244 is an abundant number, since it is smaller than the sum of its proper divisors (480579099156).

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

255307634244 is a wasteful number, since it uses less digits than its factorization.

255307634244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32089989 (or 32089984 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 45.

The spelling of 255307634244 in words is "two hundred fifty-five billion, three hundred seven million, six hundred thirty-four thousand, two hundred forty-four".