256407364 has 12 divisors (see below), whose sum is σ = 448825104. Its totient is φ = 128171624.

The previous prime is 256407353. The next prime is 256407367. The reversal of 256407364 is 463704652.

256407364 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (256407367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26379 + ... + 34765.

It is an arithmetic number, because the mean of its divisors is an integer number (37402092).

Almost surely, 2^256407364 is an apocalyptic number.

It is an amenable number.

256407364 is a deficient number, since it is larger than the sum of its proper divisors (192417740).

256407364 is a wasteful number, since it uses less digits than its factorization.

256407364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16034 (or 16032 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 37.

The square root of 256407364 is about 16012.7250647727. The cubic root of 256407364 is about 635.2970391975.

The spelling of 256407364 in words is "two hundred fifty-six million, four hundred seven thousand, three hundred sixty-four".