256762808250 has 64 divisors (see below), whose sum is σ = 690178454784. Its totient is φ = 63203150400.

The previous prime is 256762808249. The next prime is 256762808287. The reversal of 256762808250 is 52808267652.

256762808250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 256762808193 and 256762808202.

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 31 ways as a sum of consecutive naturals, for example, 13157574 + ... + 13177073.

It is an arithmetic number, because the mean of its divisors is an integer number (10784038356).

Almost surely, 2^256762808250 is an apocalyptic number.

256762808250 is an abundant number, since it is smaller than the sum of its proper divisors (433415646534).

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

256762808250 is a wasteful number, since it uses less digits than its factorization.

256762808250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26334680 (or 26334670 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 51.

The spelling of 256762808250 in words is "two hundred fifty-six billion, seven hundred sixty-two million, eight hundred eight thousand, two hundred fifty".