255713226618 has 8 divisors (see below), whose sum is σ = 511426453248. Its totient is φ = 85237742204.

The previous prime is 255713226577. The next prime is 255713226623. The reversal of 255713226618 is 816622317552.

It is a sphenic number, since it is the product of 3 distinct primes.

255713226618 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21309435546 + ... + 21309435557.

It is an arithmetic number, because the mean of its divisors is an integer number (63928306656).

Almost surely, 2^255713226618 is an apocalyptic number.

255713226618 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

255713226618 is a wasteful number, since it uses less digits than its factorization.

255713226618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42618871108.

The product of its digits is 1209600, while the sum is 48.

The spelling of 255713226618 in words is "two hundred fifty-five billion, seven hundred thirteen million, two hundred twenty-six thousand, six hundred eighteen".