42388032 has 28 divisors (see below), whose sum is σ = 112152176. Its totient is φ = 14129280.

The previous prime is 42388009. The next prime is 42388033. The reversal of 42388032 is 23088324.

It is not an unprimeable number, because it can be changed into a prime (42388033) 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, 110194 + ... + 110577.

Almost surely, 2^42388032 is an apocalyptic number.

It is an amenable number.

42388032 is an abundant number, since it is smaller than the sum of its proper divisors (69764144).

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

42388032 is a wasteful number, since it uses less digits than its factorization.

42388032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220786 (or 220776 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 42388032 is about 6510.6091880868. The cubic root of 42388032 is about 348.6698684103.

The spelling of 42388032 in words is "forty-two million, three hundred eighty-eight thousand, thirty-two".