255605362650 has 72 divisors (see below), whose sum is σ = 749156095584. Its totient is φ = 61964935200.

The previous prime is 255605362633. The next prime is 255605362679. The reversal of 255605362650 is 56263506552.

255605362650 is a `hidden beast` number, since 2 + 5 + 5 + 60 + 536 + 2 + 6 + 50 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 255605362596 and 255605362605.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 25813774 + ... + 25823673.

It is an arithmetic number, because the mean of its divisors is an integer number (10404945772).

Almost surely, 2^255605362650 is an apocalyptic number.

255605362650 is an abundant number, since it is smaller than the sum of its proper divisors (493550732934).

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

255605362650 is a wasteful number, since it uses less digits than its factorization.

255605362650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51637476 (or 51637468 counting only the distinct ones).

The product of its (nonzero) digits is 1620000, while the sum is 45.

The spelling of 255605362650 in words is "two hundred fifty-five billion, six hundred five million, three hundred sixty-two thousand, six hundred fifty".