255633044430 has 16 divisors (see below), whose sum is σ = 613519306704. Its totient is φ = 68168811840.

The previous prime is 255633044413. The next prime is 255633044441. The reversal of 255633044430 is 34440336552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4260550711 + ... + 4260550770.

It is an arithmetic number, because the mean of its divisors is an integer number (38344956669).

Almost surely, 2^255633044430 is an apocalyptic number.

255633044430 is an abundant number, since it is smaller than the sum of its proper divisors (357886262274).

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

255633044430 is a wasteful number, since it uses less digits than its factorization.

255633044430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8521101491.

The product of its (nonzero) digits is 518400, while the sum is 39.

The spelling of 255633044430 in words is "two hundred fifty-five billion, six hundred thirty-three million, forty-four thousand, four hundred thirty".