44039424 has 144 divisors (see below), whose sum is σ = 138043584. Its totient is φ = 12288000.

The previous prime is 44039407. The next prime is 44039431. The reversal of 44039424 is 42493044.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 44039391 and 44039400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109624 + ... + 110024.

It is an arithmetic number, because the mean of its divisors is an integer number (958636).

Almost surely, 2^44039424 is an apocalyptic number.

44039424 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44039424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69021792).

44039424 is an abundant number, since it is smaller than the sum of its proper divisors (94004160).

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

44039424 is a wasteful number, since it uses less digits than its factorization.

44039424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444 (or 430 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 44039424 is about 6636.2206111611. The cubic root of 44039424 is about 353.1402417939.

The spelling of 44039424 in words is "forty-four million, thirty-nine thousand, four hundred twenty-four".