44000440 has 48 divisors (see below), whose sum is σ = 108831240. Its totient is φ = 15998400.

The previous prime is 44000431. The next prime is 44000491. The reversal of 44000440 is 4400044.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 295 + ... + 9385.

Almost surely, 2^44000440 is an apocalyptic number.

44000440 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 44000440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54415620).

44000440 is an abundant number, since it is smaller than the sum of its proper divisors (64830800).

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

44000440 is a wasteful number, since it uses less digits than its factorization.

44000440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9124 (or 9109 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 44000440 is about 6633.2827468758. The cubic root of 44000440 is about 353.0360103115.

Adding to 44000440 its reverse (4400044), we get a palindrome (48400484).

It can be divided in two parts, 440004 and 40, that added together give a palindrome (440044).

The spelling of 44000440 in words is "forty-four million, four hundred forty", and thus it is an aban number.