44479489 has 4 divisors (see below), whose sum is σ = 44499924. Its totient is φ = 44459056.

The previous prime is 44479481. The next prime is 44479517. The reversal of 44479489 is 98497444.

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

It can be written as a sum of positive squares in 2 ways, for example, as 37761025 + 6718464 = 6145^2 + 2592^2 .

It is a cyclic number.

It is not a de Polignac number, because 44479489 - 2³ = 44479481 is a prime.

It is a super-2 number, since 2×44479489² = 3956849883402242, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44479481) 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, 6502 + ... + 11455.

It is an arithmetic number, because the mean of its divisors is an integer number (11124981).

Almost surely, 2^44479489 is an apocalyptic number.

It is an amenable number.

44479489 is a deficient number, since it is larger than the sum of its proper divisors (20435).

44479489 is a wasteful number, since it uses less digits than its factorization.

44479489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20434.

The product of its digits is 1161216, while the sum is 49.

The square root of 44479489 is about 6669.2944904240. The cubic root of 44479489 is about 354.3125995946.

The spelling of 44479489 in words is "forty-four million, four hundred seventy-nine thousand, four hundred eighty-nine".