44538940 has 24 divisors (see below), whose sum is σ = 96550272. Its totient is φ = 17240640.

The previous prime is 44538919. The next prime is 44538947. The reversal of 44538940 is 4983544.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 44538940.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44538947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35299 + ... + 36538.

It is an arithmetic number, because the mean of its divisors is an integer number (4022928).

Almost surely, 2^44538940 is an apocalyptic number.

It is an amenable number.

44538940 is an abundant number, since it is smaller than the sum of its proper divisors (52011332).

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

44538940 is a wasteful number, since it uses less digits than its factorization.

44538940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71877 (or 71875 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 44538940 is about 6673.7500702379. The cubic root of 44538940 is about 354.4703866332.

The spelling of 44538940 in words is "forty-four million, five hundred thirty-eight thousand, nine hundred forty".