42570816 has 28 divisors (see below), whose sum is σ = 112635792. Its totient is φ = 14190208.

The previous prime is 42570799. The next prime is 42570883. The reversal of 42570816 is 61807524.

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, 110670 + ... + 111053.

Almost surely, 2^42570816 is an apocalyptic number.

It is an amenable number.

42570816 is an abundant number, since it is smaller than the sum of its proper divisors (70064976).

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

42570816 is a wasteful number, since it uses less digits than its factorization.

42570816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221738 (or 221728 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 42570816 is about 6524.6314838464. The cubic root of 42570816 is about 349.1703232365.

The spelling of 42570816 in words is "forty-two million, five hundred seventy thousand, eight hundred sixteen".