255688195194 has 24 divisors (see below), whose sum is σ = 568963823220. Its totient is φ = 82925900928.

The previous prime is 255688195187. The next prime is 255688195211. The reversal of 255688195194 is 491591886552.

255688195194 is a `hidden beast` number, since 2 + 5 + 568 + 8 + 19 + 51 + 9 + 4 = 666.

255688195194 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 228901962969 + 26786232225 = 478437^2 + 163665^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 191957439 + ... + 191958770.

Almost surely, 2^255688195194 is an apocalyptic number.

255688195194 is an abundant number, since it is smaller than the sum of its proper divisors (313275628026).

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

255688195194 is a wasteful number, since it uses less digits than its factorization.

255688195194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383916254 (or 383916251 counting only the distinct ones).

The product of its digits is 31104000, while the sum is 63.

The spelling of 255688195194 in words is "two hundred fifty-five billion, six hundred eighty-eight million, one hundred ninety-five thousand, one hundred ninety-four".