44438940 has 144 divisors (see below), whose sum is σ = 165966528. Its totient is φ = 9372672.

The previous prime is 44438899. The next prime is 44438983. The reversal of 44438940 is 4983444.

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

It is a junction number, because it is equal to n+sod(n) for n = 44438895 and 44438904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15024 + ... + 17736.

Almost surely, 2^44438940 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44438940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82983264).

44438940 is an abundant number, since it is smaller than the sum of its proper divisors (121527588).

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

44438940 is a wasteful number, since it uses less digits than its factorization.

44438940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2748 (or 2743 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 44438940 is about 6666.2538205502. The cubic root of 44438940 is about 354.2048990945.

The spelling of 44438940 in words is "forty-four million, four hundred thirty-eight thousand, nine hundred forty".