255789366426 has 48 divisors (see below), whose sum is σ = 624793142400. Its totient is φ = 77511927240.

The previous prime is 255789366397. The next prime is 255789366463. The reversal of 255789366426 is 624663987552.

255789366426 is a `hidden beast` number, since 2 + 5 + 578 + 9 + 36 + 6 + 4 + 26 = 666.

It is a super-2 number, since 2×255789366426² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19567186 + ... + 19580253.

It is an arithmetic number, because the mean of its divisors is an integer number (13016523800).

Almost surely, 2^255789366426 is an apocalyptic number.

255789366426 is an abundant number, since it is smaller than the sum of its proper divisors (369003775974).

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

255789366426 is a wasteful number, since it uses less digits than its factorization.

255789366426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39147472 (or 39147455 counting only the distinct ones).

The product of its digits is 130636800, while the sum is 63.

The spelling of 255789366426 in words is "two hundred fifty-five billion, seven hundred eighty-nine million, three hundred sixty-six thousand, four hundred twenty-six".