256156010 has 16 divisors (see below), whose sum is σ = 502997472. Its totient is φ = 93147600.

The previous prime is 256156009. The next prime is 256156013. The reversal of 256156010 is 10651652.

It is not an unprimeable number, because it can be changed into a prime (256156013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1164236 + ... + 1164455.

It is an arithmetic number, because the mean of its divisors is an integer number (31437342).

Almost surely, 2^256156010 is an apocalyptic number.

256156010 is a deficient number, since it is larger than the sum of its proper divisors (246841462).

256156010 is a wasteful number, since it uses less digits than its factorization.

256156010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2328709.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 256156010 is about 16004.8745699552. The cubic root of 256156010 is about 635.0893791977.

The spelling of 256156010 in words is "two hundred fifty-six million, one hundred fifty-six thousand, ten".