256038496 has 96 divisors (see below), whose sum is σ = 619218432. Its totient is φ = 101713920.

The previous prime is 256038473. The next prime is 256038511. The reversal of 256038496 is 694830652.

It is a super-2 number, since 2×256038496² = 131111422867884032, which contains 22 as substring.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 269895 + ... + 270841.

It is an arithmetic number, because the mean of its divisors is an integer number (6450192).

Almost surely, 2^256038496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 256038496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309609216).

256038496 is an abundant number, since it is smaller than the sum of its proper divisors (363179936).

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

256038496 is a wasteful number, since it uses less digits than its factorization.

256038496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052 (or 1044 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 43.

The square root of 256038496 is about 16001.2029547781. The cubic root of 256038496 is about 634.9922465832.

The spelling of 256038496 in words is "two hundred fifty-six million, thirty-eight thousand, four hundred ninety-six".