255899922388 has 48 divisors (see below), whose sum is σ = 491116046400. Its totient is φ = 115705497600.

The previous prime is 255899922371. The next prime is 255899922427. The reversal of 255899922388 is 883229998552.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6519670 + ... + 6558802.

It is an arithmetic number, because the mean of its divisors is an integer number (10231584300).

Almost surely, 2^255899922388 is an apocalyptic number.

It is an amenable number.

255899922388 is a deficient number, since it is larger than the sum of its proper divisors (235216124012).

255899922388 is a wasteful number, since it uses less digits than its factorization.

255899922388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39928 (or 39926 counting only the distinct ones).

The product of its digits is 223948800, while the sum is 70.

The spelling of 255899922388 in words is "two hundred fifty-five billion, eight hundred ninety-nine million, nine hundred twenty-two thousand, three hundred eighty-eight".