256265226750 has 64 divisors (see below), whose sum is σ = 688840955712. Its totient is φ = 63080668800.

The previous prime is 256265226739. The next prime is 256265226769. The reversal of 256265226750 is 57622562652.

It is a self number, because there is not a number n which added to its sum of digits gives 256265226750.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13132057 + ... + 13151556.

It is an arithmetic number, because the mean of its divisors is an integer number (10763139933).

Almost surely, 2^256265226750 is an apocalyptic number.

256265226750 is an abundant number, since it is smaller than the sum of its proper divisors (432575728962).

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

256265226750 is a wasteful number, since it uses less digits than its factorization.

256265226750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26283646 (or 26283636 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 48.

The spelling of 256265226750 in words is "two hundred fifty-six billion, two hundred sixty-five million, two hundred twenty-six thousand, seven hundred fifty".