42604042 has 16 divisors (see below), whose sum is σ = 72444960. Its totient is φ = 18628272.

The previous prime is 42604031. The next prime is 42604063. The reversal of 42604042 is 24040624.

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, 42628 + ... + 43615.

It is an arithmetic number, because the mean of its divisors is an integer number (4527810).

Almost surely, 2^42604042 is an apocalyptic number.

42604042 is a deficient number, since it is larger than the sum of its proper divisors (29840918).

42604042 is a wasteful number, since it uses less digits than its factorization.

42604042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86277.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 42604042 is about 6527.1771846641. The cubic root of 42604042 is about 349.2611406655.

Adding to 42604042 its reverse (24040624), we get a palindrome (66644666).

The spelling of 42604042 in words is "forty-two million, six hundred four thousand, forty-two".