256888884236 has 6 divisors (see below), whose sum is σ = 449555547420. Its totient is φ = 128444442116.

The previous prime is 256888884233. The next prime is 256888884247. The reversal of 256888884236 is 632488888652.

It is not an unprimeable number, because it can be changed into a prime (256888884233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32111110526 + ... + 32111110533.

It is an arithmetic number, because the mean of its divisors is an integer number (74925924570).

Almost surely, 2^256888884236 is an apocalyptic number.

It is an amenable number.

256888884236 is a deficient number, since it is larger than the sum of its proper divisors (192666663184).

256888884236 is a wasteful number, since it uses less digits than its factorization.

256888884236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64222221063 (or 64222221061 counting only the distinct ones).

The product of its digits is 283115520, while the sum is 68.

The spelling of 256888884236 in words is "two hundred fifty-six billion, eight hundred eighty-eight million, eight hundred eighty-four thousand, two hundred thirty-six".