44457984 has 140 divisors (see below), whose sum is σ = 134799324. Its totient is φ = 14598144.

The previous prime is 44457983. The next prime is 44457989. The reversal of 44457984 is 48975444.

Its product of digits (645120) is a multiple of the sum of its prime divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44457983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 663519 + ... + 663585.

Almost surely, 2^44457984 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 44457984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67399662).

44457984 is an abundant number, since it is smaller than the sum of its proper divisors (90341340).

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

44457984 is an frugal number, since it uses more digits than its factorization.

44457984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105 (or 72 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 44457984 is about 6667.6820560072. The cubic root of 44457984 is about 354.2554892207.

The spelling of 44457984 in words is "forty-four million, four hundred fifty-seven thousand, nine hundred eighty-four".