256944070 has 16 divisors (see below), whose sum is σ = 462683088. Its totient is φ = 102736800.

The previous prime is 256944067. The next prime is 256944073. The reversal of 256944070 is 70449652.

It is an interprime number because it is at equal distance from previous prime (256944067) and next prime (256944073).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256944073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42220 + ... + 47920.

It is an arithmetic number, because the mean of its divisors is an integer number (28917693).

Almost surely, 2^256944070 is an apocalyptic number.

256944070 is a deficient number, since it is larger than the sum of its proper divisors (205739018).

256944070 is a wasteful number, since it uses less digits than its factorization.

256944070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10215.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 256944070 is about 16029.4750381914. The cubic root of 256944070 is about 635.7399933334.

The spelling of 256944070 in words is "two hundred fifty-six million, nine hundred forty-four thousand, seventy".