255657688226 has 8 divisors (see below), whose sum is σ = 400159859904. Its totient is φ = 122271068260.

The previous prime is 255657688189. The next prime is 255657688243. The reversal of 255657688226 is 622886756552.

255657688226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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 3 ways as a sum of consecutive naturals, for example, 2778887870 + ... + 2778887961.

It is an arithmetic number, because the mean of its divisors is an integer number (50019982488).

Almost surely, 2^255657688226 is an apocalyptic number.

255657688226 is a deficient number, since it is larger than the sum of its proper divisors (144502171678).

255657688226 is a wasteful number, since it uses less digits than its factorization.

255657688226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5557775856.

The product of its digits is 96768000, while the sum is 62.

The spelling of 255657688226 in words is "two hundred fifty-five billion, six hundred fifty-seven million, six hundred eighty-eight thousand, two hundred twenty-six".