256296336 has 40 divisors (see below), whose sum is σ = 679998144. Its totient is φ = 83122560.

The previous prime is 256296307. The next prime is 256296367. The reversal of 256296336 is 633692652.

It is an unprimeable number.

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, 70380 + ... + 73931.

Almost surely, 2^256296336 is an apocalyptic number.

It is an amenable number.

256296336 is an abundant number, since it is smaller than the sum of its proper divisors (423701808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

256296336 is a wasteful number, since it uses less digits than its factorization.

256296336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144359 (or 144353 counting only the distinct ones).

The product of its digits is 349920, while the sum is 42.

The square root of 256296336 is about 16009.2578216481. The cubic root of 256296336 is about 635.2053284370.

The spelling of 256296336 in words is "two hundred fifty-six million, two hundred ninety-six thousand, three hundred thirty-six".