44489919 has 4 divisors (see below), whose sum is σ = 59319896. Its totient is φ = 29659944.

The previous prime is 44489789. The next prime is 44489933. The reversal of 44489919 is 91998444.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 44489919 - 2¹⁵ = 44457151 is a prime.

It is a super-2 number, since 2×44489919² = 3958705785253122, 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 (44489989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7414984 + ... + 7414989.

It is an arithmetic number, because the mean of its divisors is an integer number (14829974).

Almost surely, 2^44489919 is an apocalyptic number.

44489919 is a deficient number, since it is larger than the sum of its proper divisors (14829977).

44489919 is a wasteful number, since it uses less digits than its factorization.

44489919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14829976.

The product of its digits is 373248, while the sum is 48.

The square root of 44489919 is about 6670.0763863692. The cubic root of 44489919 is about 354.3402916963.

The spelling of 44489919 in words is "forty-four million, four hundred eighty-nine thousand, nine hundred nineteen".