251083826256 has 40 divisors (see below), whose sum is σ = 682771810720. Its totient is φ = 79289629056.

The previous prime is 251083826197. The next prime is 251083826267. The reversal of 251083826256 is 652628380152.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

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, 137654695 + ... + 137656518.

It is an arithmetic number, because the mean of its divisors is an integer number (17069295268).

Almost surely, 2^251083826256 is an apocalyptic number.

It is an amenable number.

251083826256 is an abundant number, since it is smaller than the sum of its proper divisors (431687984464).

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

251083826256 is a wasteful number, since it uses less digits than its factorization.

251083826256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275311243 (or 275311237 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 48.

The spelling of 251083826256 in words is "two hundred fifty-one billion, eighty-three million, eight hundred twenty-six thousand, two hundred fifty-six".