42585868 has 12 divisors (see below), whose sum is σ = 80258080. Its totient is φ = 19654992.

The previous prime is 42585863. The next prime is 42585887. The reversal of 42585868 is 86858524.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (42585863) 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, 409428 + ... + 409531.

Almost surely, 2^42585868 is an apocalyptic number.

It is an amenable number.

42585868 is a deficient number, since it is larger than the sum of its proper divisors (37672212).

42585868 is a wasteful number, since it uses less digits than its factorization.

42585868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818976 (or 818974 counting only the distinct ones).

The product of its digits is 614400, while the sum is 46.

The square root of 42585868 is about 6525.7848570115. The cubic root of 42585868 is about 349.2114710845.

The spelling of 42585868 in words is "forty-two million, five hundred eighty-five thousand, eight hundred sixty-eight".