256850456 has 8 divisors (see below), whose sum is σ = 481594620. Its totient is φ = 128425224.

The previous prime is 256850431. The next prime is 256850459. The reversal of 256850456 is 654058652.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256850459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16053146 + ... + 16053161.

Almost surely, 2^256850456 is an apocalyptic number.

It is an amenable number.

256850456 is a deficient number, since it is larger than the sum of its proper divisors (224744164).

256850456 is a wasteful number, since it uses less digits than its factorization.

256850456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32106313 (or 32106309 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 41.

The square root of 256850456 is about 16026.5547139739. The cubic root of 256850456 is about 635.6627762787.

The spelling of 256850456 in words is "two hundred fifty-six million, eight hundred fifty thousand, four hundred fifty-six".