255311644196 has 24 divisors (see below), whose sum is σ = 524423919936. Its totient is φ = 106461997920.

The previous prime is 255311644099. The next prime is 255311644253. The reversal of 255311644196 is 691446113552.

It is a self number, because there is not a number n which added to its sum of digits gives 255311644196.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123218870 + ... + 123220941.

It is an arithmetic number, because the mean of its divisors is an integer number (21850996664).

Almost surely, 2^255311644196 is an apocalyptic number.

It is an amenable number.

255311644196 is an abundant number, since it is smaller than the sum of its proper divisors (269112275740).

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

255311644196 is a wasteful number, since it uses less digits than its factorization.

255311644196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246439859 (or 246439857 counting only the distinct ones).

The product of its digits is 777600, while the sum is 47.

The spelling of 255311644196 in words is "two hundred fifty-five billion, three hundred eleven million, six hundred forty-four thousand, one hundred ninety-six".