44869440 has 224 divisors, whose sum is σ = 177905664. Its totient is φ = 9308160.

The previous prime is 44869427. The next prime is 44869463. The reversal of 44869440 is 4496844.

It is a tau number, because it is divible by the number of its divisors (224).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73617 + ... + 74223.

Almost surely, 2^44869440 is an apocalyptic number.

44869440 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 44869440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88952832).

44869440 is an abundant number, since it is smaller than the sum of its proper divisors (133036224).

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

44869440 is a wasteful number, since it uses less digits than its factorization.

44869440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645 (or 635 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 39.

The square root of 44869440 is about 6698.4654959177. The cubic root of 44869440 is about 355.3450061305.

The spelling of 44869440 in words is "forty-four million, eight hundred sixty-nine thousand, four hundred forty".