42564488 has 32 divisors (see below), whose sum is σ = 83808000. Its totient is φ = 20239680.

The previous prime is 42564479. The next prime is 42564521. The reversal of 42564488 is 88446524.

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, 13178 + ... + 16086.

It is an arithmetic number, because the mean of its divisors is an integer number (2619000).

Almost surely, 2^42564488 is an apocalyptic number.

It is an amenable number.

42564488 is a deficient number, since it is larger than the sum of its proper divisors (41243512).

42564488 is a wasteful number, since it uses less digits than its factorization.

42564488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3005 (or 3001 counting only the distinct ones).

The product of its digits is 245760, while the sum is 41.

The square root of 42564488 is about 6524.1465342219. The cubic root of 42564488 is about 349.1530214047.

The spelling of 42564488 in words is "forty-two million, five hundred sixty-four thousand, four hundred eighty-eight".