538624044 has 36 divisors (see below), whose sum is σ = 1556025744. Its totient is φ = 153892512.

The previous prime is 538624043. The next prime is 538624049. The reversal of 538624044 is 440426835.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (538624043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1068447 + ... + 1068950.

Almost surely, 2^538624044 is an apocalyptic number.

It is an amenable number.

538624044 is an abundant number, since it is smaller than the sum of its proper divisors (1017401700).

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

538624044 is a wasteful number, since it uses less digits than its factorization.

538624044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2137414 (or 2137409 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The square root of 538624044 is about 23208.2753344578. The cubic root of 538624044 is about 813.6330449824.

The spelling of 538624044 in words is "five hundred thirty-eight million, six hundred twenty-four thousand, forty-four".