44499920 has 40 divisors (see below), whose sum is σ = 107035560. Its totient is φ = 17185280.

The previous prime is 44499901. The next prime is 44499947. The reversal of 44499920 is 2999444.

It can be written as a sum of positive squares in 4 ways, for example, as 9168784 + 35331136 = 3028^2 + 5944^2 .

It is a tau number, because it is divible by the number of its divisors (40).

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 7 ways as a sum of consecutive naturals, for example, 7271 + ... + 11910.

It is an arithmetic number, because the mean of its divisors is an integer number (2675889).

Almost surely, 2^44499920 is an apocalyptic number.

44499920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44499920 is an abundant number, since it is smaller than the sum of its proper divisors (62535640).

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

44499920 is a wasteful number, since it uses less digits than its factorization.

44499920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19223 (or 19217 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 44499920 is about 6670.8260358070. The cubic root of 44499920 is about 354.3668407201.

The spelling of 44499920 in words is "forty-four million, four hundred ninety-nine thousand, nine hundred twenty".