42644584 has 16 divisors (see below), whose sum is σ = 80039520. Its totient is φ = 21300720.

The previous prime is 42644579. The next prime is 42644593. The reversal of 42644584 is 48544624.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8379 + ... + 12469.

It is an arithmetic number, because the mean of its divisors is an integer number (5002470).

Almost surely, 2^42644584 is an apocalyptic number.

It is an amenable number.

42644584 is a deficient number, since it is larger than the sum of its proper divisors (37394936).

42644584 is a wasteful number, since it uses less digits than its factorization.

42644584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5400 (or 5396 counting only the distinct ones).

The product of its digits is 122880, while the sum is 37.

The square root of 42644584 is about 6530.2820766028. The cubic root of 42644584 is about 349.3718911593.

The spelling of 42644584 in words is "forty-two million, six hundred forty-four thousand, five hundred eighty-four".