44989919 has 8 divisors (see below), whose sum is σ = 49272720. Its totient is φ = 40824576.

The previous prime is 44989907. The next prime is 44989937. The reversal of 44989919 is 91998944.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 44989919 - 2²⁰ = 43941343 is a prime.

It is a super-2 number, since 2×44989919² = 4048185623253122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44989949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28562 + ... + 30095.

It is an arithmetic number, because the mean of its divisors is an integer number (6159090).

Almost surely, 2^44989919 is an apocalyptic number.

44989919 is a deficient number, since it is larger than the sum of its proper divisors (4282801).

44989919 is a wasteful number, since it uses less digits than its factorization.

44989919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58729.

The product of its digits is 839808, while the sum is 53.

The square root of 44989919 is about 6707.4524970364. The cubic root of 44989919 is about 355.6627676939.

The spelling of 44989919 in words is "forty-four million, nine hundred eighty-nine thousand, nine hundred nineteen".