44538420 has 24 divisors (see below), whose sum is σ = 124707744. Its totient is φ = 11876896.

The previous prime is 44538407. The next prime is 44538427. The reversal of 44538420 is 2483544.

44538420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44538427) 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 7 ways as a sum of consecutive naturals, for example, 371094 + ... + 371213.

It is an arithmetic number, because the mean of its divisors is an integer number (5196156).

Almost surely, 2^44538420 is an apocalyptic number.

It is an amenable number.

44538420 is an abundant number, since it is smaller than the sum of its proper divisors (80169324).

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

44538420 is a wasteful number, since it uses less digits than its factorization.

44538420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742319 (or 742317 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 44538420 is about 6673.7111115181. The cubic root of 44538420 is about 354.4690071264.

The spelling of 44538420 in words is "forty-four million, five hundred thirty-eight thousand, four hundred twenty".