255330870804 has 72 divisors (see below), whose sum is σ = 660869200992. Its totient is φ = 83075630400.

The previous prime is 255330870749. The next prime is 255330870811. The reversal of 255330870804 is 408078033552.

It is a self number, because there is not a number n which added to its sum of digits gives 255330870804.

It is a congruent number.

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, 2303454 + ... + 2411754.

Almost surely, 2^255330870804 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255330870804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (330434600496).

255330870804 is an abundant number, since it is smaller than the sum of its proper divisors (405538330188).

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

255330870804 is a wasteful number, since it uses less digits than its factorization.

255330870804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109877 (or 109872 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 255330870804 in words is "two hundred fifty-five billion, three hundred thirty million, eight hundred seventy thousand, eight hundred four".