42556914 has 20 divisors (see below), whose sum is σ = 95359374. Its totient is φ = 14185584.

The previous prime is 42556909. The next prime is 42556931. The reversal of 42556914 is 41965524.

It can be written as a sum of positive squares in only one way, i.e., 38007225 + 4549689 = 6165^2 + 2133^2 .

It is a super-2 number, since 2×42556914² = 3622181858406792, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 131187 + ... + 131510.

Almost surely, 2^42556914 is an apocalyptic number.

42556914 is an abundant number, since it is smaller than the sum of its proper divisors (52802460).

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

42556914 is a wasteful number, since it uses less digits than its factorization.

42556914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262711 (or 262702 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 42556914 is about 6523.5660493322. The cubic root of 42556914 is about 349.1323105416.

The spelling of 42556914 in words is "forty-two million, five hundred fifty-six thousand, nine hundred fourteen".