42868256 has 24 divisors (see below), whose sum is σ = 88840080. Its totient is φ = 20305728.

The previous prime is 42868249. The next prime is 42868303. The reversal of 42868256 is 65286824.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34646 + ... + 35861.

It is an arithmetic number, because the mean of its divisors is an integer number (3701670).

Almost surely, 2^42868256 is an apocalyptic number.

It is an amenable number.

42868256 is an abundant number, since it is smaller than the sum of its proper divisors (45971824).

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

42868256 is a wasteful number, since it uses less digits than its factorization.

42868256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70536 (or 70528 counting only the distinct ones).

The product of its digits is 184320, while the sum is 41.

The square root of 42868256 is about 6547.3854323692. The cubic root of 42868256 is about 349.9816480173.

The spelling of 42868256 in words is "forty-two million, eight hundred sixty-eight thousand, two hundred fifty-six".