42544508 has 18 divisors (see below), whose sum is σ = 77114856. Its totient is φ = 20537104.

The previous prime is 42544507. The next prime is 42544517. The reversal of 42544508 is 80544524.

42544508 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42544507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2960 + ... + 9687.

Almost surely, 2^42544508 is an apocalyptic number.

It is an amenable number.

42544508 is a deficient number, since it is larger than the sum of its proper divisors (34570348).

42544508 is a wasteful number, since it uses less digits than its factorization.

42544508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12709 (or 12678 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 32.

The square root of 42544508 is about 6522.6151197200. The cubic root of 42544508 is about 349.0983814179.

The spelling of 42544508 in words is "forty-two million, five hundred forty-four thousand, five hundred eight".