256266446 has 16 divisors (see below), whose sum is σ = 400569840. Its totient is φ = 122808000.

The previous prime is 256266431. The next prime is 256266467. The reversal of 256266446 is 644662652.

256266446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 8180 + ... + 24071.

It is an arithmetic number, because the mean of its divisors is an integer number (25035615).

Almost surely, 2^256266446 is an apocalyptic number.

256266446 is a deficient number, since it is larger than the sum of its proper divisors (144303394).

256266446 is a wasteful number, since it uses less digits than its factorization.

256266446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32419.

The product of its digits is 414720, while the sum is 41.

The square root of 256266446 is about 16008.3242720779. The cubic root of 256266446 is about 635.1806343326.

The spelling of 256266446 in words is "two hundred fifty-six million, two hundred sixty-six thousand, four hundred forty-six".