44038013 has 8 divisors (see below), whose sum is σ = 45740160. Its totient is φ = 42367840.

The previous prime is 44038003. The next prime is 44038061. The reversal of 44038013 is 31083044.

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

It is a cyclic number.

It is not a de Polignac number, because 44038013 - 2⁸ = 44037757 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44038013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44038003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5168 + ... + 10713.

It is an arithmetic number, because the mean of its divisors is an integer number (5717520).

Almost surely, 2^44038013 is an apocalyptic number.

It is an amenable number.

44038013 is a deficient number, since it is larger than the sum of its proper divisors (1702147).

44038013 is a wasteful number, since it uses less digits than its factorization.

44038013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15987.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 44038013 is about 6636.1142997992. The cubic root of 44038013 is about 353.1364702777.

The spelling of 44038013 in words is "forty-four million, thirty-eight thousand, thirteen".