44448989 has 16 divisors (see below), whose sum is σ = 48980400. Its totient is φ = 40089600.

The previous prime is 44448983. The next prime is 44449021. The reversal of 44448989 is 98984444.

It can be written as a sum of positive squares in 8 ways, for example, as 1651225 + 42797764 = 1285^2 + 6542^2 .

It is a cyclic number.

It is not a de Polignac number, because 44448989 - 2¹² = 44444893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44448983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127187 + ... + 127535.

It is an arithmetic number, because the mean of its divisors is an integer number (3061275).

Almost surely, 2^44448989 is an apocalyptic number.

It is an amenable number.

44448989 is a deficient number, since it is larger than the sum of its proper divisors (4531411).

44448989 is a wasteful number, since it uses less digits than its factorization.

44448989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560.

The product of its digits is 1327104, while the sum is 50.

The square root of 44448989 is about 6667.0074996208. The cubic root of 44448989 is about 354.2315959266.

The spelling of 44448989 in words is "forty-four million, four hundred forty-eight thousand, nine hundred eighty-nine".