255316680630 has 192 divisors, whose sum is σ = 749683771200. Its totient is φ = 59717468160.

The previous prime is 255316680617. The next prime is 255316680701. The reversal of 255316680630 is 36086613552.

255316680630 is a `hidden beast` number, since 2 + 5 + 5 + 3 + 1 + 6 + 6 + 8 + 0 + 630 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 57905866 + ... + 57910274.

It is an arithmetic number, because the mean of its divisors is an integer number (3904602975).

Almost surely, 2^255316680630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255316680630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (374841885600).

255316680630 is an abundant number, since it is smaller than the sum of its proper divisors (494367090570).

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

255316680630 is a wasteful number, since it uses less digits than its factorization.

255316680630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6479 (or 6476 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 255316680630 in words is "two hundred fifty-five billion, three hundred sixteen million, six hundred eighty thousand, six hundred thirty".