42544436 has 12 divisors (see below), whose sum is σ = 81221280. Its totient is φ = 19338360.

The previous prime is 42544393. The next prime is 42544451. The reversal of 42544436 is 63444524.

It is a congruent 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, 483416 + ... + 483503.

It is an arithmetic number, because the mean of its divisors is an integer number (6768440).

Almost surely, 2^42544436 is an apocalyptic number.

It is an amenable number.

42544436 is a deficient number, since it is larger than the sum of its proper divisors (38676844).

42544436 is a wasteful number, since it uses less digits than its factorization.

42544436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966934 (or 966932 counting only the distinct ones).

The product of its digits is 46080, while the sum is 32.

The square root of 42544436 is about 6522.6096004590. The cubic root of 42544436 is about 349.0981844861.

The spelling of 42544436 in words is "forty-two million, five hundred forty-four thousand, four hundred thirty-six".