42239588 has 24 divisors (see below), whose sum is σ = 76026720. Its totient is φ = 20522880.

The previous prime is 42239557. The next prime is 42239591. The reversal of 42239588 is 88593224.

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, 40943 + ... + 41961.

It is an arithmetic number, because the mean of its divisors is an integer number (3167780).

Almost surely, 2^42239588 is an apocalyptic number.

It is an amenable number.

42239588 is a deficient number, since it is larger than the sum of its proper divisors (33787132).

42239588 is a wasteful number, since it uses less digits than its factorization.

42239588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1307 (or 1305 counting only the distinct ones).

The product of its digits is 138240, while the sum is 41.

The square root of 42239588 is about 6499.1990275726. The cubic root of 42239588 is about 348.2623753471.

The spelling of 42239588 in words is "forty-two million, two hundred thirty-nine thousand, five hundred eighty-eight".