256004716 has 12 divisors (see below), whose sum is σ = 488736360. Its totient is φ = 116365760.

The previous prime is 256004711. The next prime is 256004719. The reversal of 256004716 is 617400652.

It is a happy number.

It is a super-2 number, since 2×256004716² = 131076829228481312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (256004711) 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 3 ways as a sum of consecutive naturals, for example, 2909101 + ... + 2909188.

It is an arithmetic number, because the mean of its divisors is an integer number (40728030).

Almost surely, 2^256004716 is an apocalyptic number.

It is an amenable number.

256004716 is a deficient number, since it is larger than the sum of its proper divisors (232731644).

256004716 is a wasteful number, since it uses less digits than its factorization.

256004716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5818304 (or 5818302 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 256004716 is about 16000.1473743213. The cubic root of 256004716 is about 634.9643198172.

The spelling of 256004716 in words is "two hundred fifty-six million, four thousand, seven hundred sixteen".