255770851902 has 16 divisors (see below), whose sum is σ = 528043049472. Its totient is φ = 82506726360.

The previous prime is 255770851811. The next prime is 255770851957. The reversal of 255770851902 is 209158077552.

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, 687555868 + ... + 687556239.

It is an arithmetic number, because the mean of its divisors is an integer number (33002690592).

Almost surely, 2^255770851902 is an apocalyptic number.

255770851902 is an abundant number, since it is smaller than the sum of its proper divisors (272272197570).

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

255770851902 is a wasteful number, since it uses less digits than its factorization.

255770851902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375112143.

The product of its (nonzero) digits is 1764000, while the sum is 51.

The spelling of 255770851902 in words is "two hundred fifty-five billion, seven hundred seventy million, eight hundred fifty-one thousand, nine hundred two".