255406025156 has 24 divisors (see below), whose sum is σ = 457608807936. Its totient is φ = 124674204800.

The previous prime is 255406025131. The next prime is 255406025177. The reversal of 255406025156 is 651520604552.

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, 1618556 + ... + 1769331.

It is an arithmetic number, because the mean of its divisors is an integer number (19067033664).

Almost surely, 2^255406025156 is an apocalyptic number.

It is an amenable number.

255406025156 is a deficient number, since it is larger than the sum of its proper divisors (202202782780).

255406025156 is a wasteful number, since it uses less digits than its factorization.

255406025156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3388339 (or 3388337 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 41.

The spelling of 255406025156 in words is "two hundred fifty-five billion, four hundred six million, twenty-five thousand, one hundred fifty-six".