255290013630 has 512 divisors, whose sum is σ = 756767784960. Its totient is φ = 61034688000.

The previous prime is 255290013619. The next prime is 255290013631. The reversal of 255290013630 is 36310092552.

255290013630 is a `hidden beast` number, since 2 + 5 + 5 + 2 + 9 + 0 + 0 + 13 + 630 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255290013631) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 1336596835 + ... + 1336597025.

It is an arithmetic number, because the mean of its divisors is an integer number (1478062080).

Almost surely, 2^255290013630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255290013630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (378383892480).

255290013630 is an abundant number, since it is smaller than the sum of its proper divisors (501477771330).

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

255290013630 is a wasteful number, since it uses less digits than its factorization.

255290013630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445 (or 439 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

The spelling of 255290013630 in words is "two hundred fifty-five billion, two hundred ninety million, thirteen thousand, six hundred thirty".