42013992 has 16 divisors (see below), whose sum is σ = 105035040. Its totient is φ = 14004656.

The previous prime is 42013991. The next prime is 42013999. The reversal of 42013992 is 29931024.

It is not an unprimeable number, because it can be changed into a prime (42013991) 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, 875268 + ... + 875315.

It is an arithmetic number, because the mean of its divisors is an integer number (6564690).

Almost surely, 2^42013992 is an apocalyptic number.

It is an amenable number.

42013992 is an abundant number, since it is smaller than the sum of its proper divisors (63021048).

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

42013992 is a wasteful number, since it uses less digits than its factorization.

42013992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1750592 (or 1750588 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 42013992 is about 6481.8201147517. The cubic root of 42013992 is about 347.6412606512.

The spelling of 42013992 in words is "forty-two million, thirteen thousand, nine hundred ninety-two".