256226527896 has 32 divisors (see below), whose sum is σ = 640587264000. Its totient is φ = 85406050080.

The previous prime is 256226527859. The next prime is 256226527903. The reversal of 256226527896 is 698725622652.

It is a happy number.

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, 655305 + ... + 970503.

It is an arithmetic number, because the mean of its divisors is an integer number (20018352000).

Almost surely, 2^256226527896 is an apocalyptic number.

It is an amenable number.

256226527896 is an abundant number, since it is smaller than the sum of its proper divisors (384360736104).

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

256226527896 is a wasteful number, since it uses less digits than its factorization.

256226527896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349079 (or 349075 counting only the distinct ones).

The product of its digits is 43545600, while the sum is 60.

The spelling of 256226527896 in words is "two hundred fifty-six billion, two hundred twenty-six million, five hundred twenty-seven thousand, eight hundred ninety-six".