256882550 has 12 divisors (see below), whose sum is σ = 477801636. Its totient is φ = 102753000.

The previous prime is 256882537. The next prime is 256882553. The reversal of 256882550 is 55288652.

It is a junction number, because it is equal to n+sod(n) for n = 256882498 and 256882507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256882553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2568776 + ... + 2568875.

It is an arithmetic number, because the mean of its divisors is an integer number (39816803).

Almost surely, 2^256882550 is an apocalyptic number.

256882550 is a deficient number, since it is larger than the sum of its proper divisors (220919086).

256882550 is a wasteful number, since it uses less digits than its factorization.

256882550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5137663 (or 5137658 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 41.

The square root of 256882550 is about 16027.5559584111. Note that the first 3 decimals coincide. The cubic root of 256882550 is about 635.6892509725.

The spelling of 256882550 in words is "two hundred fifty-six million, eight hundred eighty-two thousand, five hundred fifty".