44464989 has 4 divisors (see below), whose sum is σ = 59286656. Its totient is φ = 29643324.

The previous prime is 44464969. The next prime is 44465011. The reversal of 44464989 is 98946444.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 44464989 - 2⁸ = 44464733 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 (44464909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7410829 + ... + 7410834.

It is an arithmetic number, because the mean of its divisors is an integer number (14821664).

Almost surely, 2^44464989 is an apocalyptic number.

It is an amenable number.

44464989 is a deficient number, since it is larger than the sum of its proper divisors (14821667).

44464989 is a wasteful number, since it uses less digits than its factorization.

44464989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14821666.

The product of its digits is 995328, while the sum is 48.

The square root of 44464989 is about 6668.2073303100. The cubic root of 44464989 is about 354.2740942732.

The spelling of 44464989 in words is "forty-four million, four hundred sixty-four thousand, nine hundred eighty-nine".