42637044 has 12 divisors (see below), whose sum is σ = 99486464. Its totient is φ = 14212344.

The previous prime is 42637043. The next prime is 42637057. The reversal of 42637044 is 44073624.

42637044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42637043) 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 3 ways as a sum of consecutive naturals, for example, 1776532 + ... + 1776555.

Almost surely, 2^42637044 is an apocalyptic number.

It is an amenable number.

42637044 is an abundant number, since it is smaller than the sum of its proper divisors (56849420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42637044 is a wasteful number, since it uses less digits than its factorization.

42637044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3553094 (or 3553092 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 30.

The square root of 42637044 is about 6529.7047406449. The cubic root of 42637044 is about 349.3512991006.

The spelling of 42637044 in words is "forty-two million, six hundred thirty-seven thousand, forty-four".