256480612 has 12 divisors (see below), whose sum is σ = 453285756. Its totient is φ = 126970400.

The previous prime is 256480607. The next prime is 256480643. The reversal of 256480612 is 216084652.

256480612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 189502756 + 66977856 = 13766^2 + 8184^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317023 + ... + 317830.

It is an arithmetic number, because the mean of its divisors is an integer number (37773813).

Almost surely, 2^256480612 is an apocalyptic number.

It is an amenable number.

256480612 is a deficient number, since it is larger than the sum of its proper divisors (196805144).

256480612 is a wasteful number, since it uses less digits than its factorization.

256480612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634958 (or 634956 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 256480612 is about 16015.0120824182. The cubic root of 256480612 is about 635.3575286291.

The spelling of 256480612 in words is "two hundred fifty-six million, four hundred eighty thousand, six hundred twelve".