44044040 has 64 divisors (see below), whose sum is σ = 105019200. Its totient is φ = 16595712.

The previous prime is 44044019. The next prime is 44044051. The reversal of 44044040 is 4044044.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 49439 + ... + 50321.

It is an arithmetic number, because the mean of its divisors is an integer number (1640925).

Almost surely, 2^44044040 is an apocalyptic number.

44044040 is a gapful number since it is divisible by the number (40) 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 44044040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52509600).

44044040 is an abundant number, since it is smaller than the sum of its proper divisors (60975160).

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

44044040 is a wasteful number, since it uses less digits than its factorization.

44044040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966 (or 962 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 44044040 is about 6636.5683903656. The cubic root of 44044040 is about 353.1525795151.

Adding to 44044040 its reverse (4044044), we get a palindrome (48088084).

The spelling of 44044040 in words is "forty-four million, forty-four thousand, forty", and thus it is an eban number.