256056726 has 16 divisors (see below), whose sum is σ = 524604528. Its totient is φ = 83270400.

The previous prime is 256056719. The next prime is 256056739. The reversal of 256056726 is 627650652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 520195 + ... + 520686.

It is an arithmetic number, because the mean of its divisors is an integer number (32787783).

Almost surely, 2^256056726 is an apocalyptic number.

256056726 is an abundant number, since it is smaller than the sum of its proper divisors (268547802).

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

256056726 is a wasteful number, since it uses less digits than its factorization.

256056726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040927.

The product of its (nonzero) digits is 151200, while the sum is 39.

The square root of 256056726 is about 16001.7725893102. The cubic root of 256056726 is about 635.0073167570.

The spelling of 256056726 in words is "two hundred fifty-six million, fifty-six thousand, seven hundred twenty-six".