44039013 has 4 divisors (see below), whose sum is σ = 58718688. Its totient is φ = 29359340.

The previous prime is 44038987. The next prime is 44039029. The reversal of 44039013 is 31093044.

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 a cyclic number.

It is not a de Polignac number, because 44039013 - 2⁶ = 44038949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44039063) 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, 7339833 + ... + 7339838.

It is an arithmetic number, because the mean of its divisors is an integer number (14679672).

Almost surely, 2^44039013 is an apocalyptic number.

It is an amenable number.

44039013 is a deficient number, since it is larger than the sum of its proper divisors (14679675).

44039013 is a wasteful number, since it uses less digits than its factorization.

44039013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14679674.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 44039013 is about 6636.1896446681. The cubic root of 44039013 is about 353.1391432245.

The spelling of 44039013 in words is "forty-four million, thirty-nine thousand, thirteen".