42315864 has 32 divisors (see below), whose sum is σ = 108651120. Its totient is φ = 13723776.

The previous prime is 42315841. The next prime is 42315877. The reversal of 42315864 is 46851324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22939 + ... + 24714.

Almost surely, 2^42315864 is an apocalyptic number.

It is an amenable number.

42315864 is an abundant number, since it is smaller than the sum of its proper divisors (66335256).

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

42315864 is a wasteful number, since it uses less digits than its factorization.

42315864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47699 (or 47695 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The square root of 42315864 is about 6505.0644885351. The cubic root of 42315864 is about 348.4718793415.

The spelling of 42315864 in words is "forty-two million, three hundred fifteen thousand, eight hundred sixty-four".