256298850988 has 12 divisors (see below), whose sum is σ = 455875825552. Its totient is φ = 126048615120.

The previous prime is 256298850979. The next prime is 256298850989. The reversal of 256298850988 is 889058892652.

It is a super-3 number, since 3×256298850988³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (256298850989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 525202320 + ... + 525202807.

Almost surely, 2^256298850988 is an apocalyptic number.

It is an amenable number.

256298850988 is a deficient number, since it is larger than the sum of its proper divisors (199576974564).

256298850988 is a wasteful number, since it uses less digits than its factorization.

256298850988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050405192 (or 1050405190 counting only the distinct ones).

The product of its (nonzero) digits is 199065600, while the sum is 70.

The spelling of 256298850988 in words is "two hundred fifty-six billion, two hundred ninety-eight million, eight hundred fifty thousand, nine hundred eighty-eight".