44424613 has 4 divisors (see below), whose sum is σ = 44475808. Its totient is φ = 44373420.

The previous prime is 44424599. The next prime is 44424619. The reversal of 44424613 is 31642444.

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 a de Polignac number, because none of the positive numbers 2^k-44424613 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 (44424619) 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, 24273 + ... + 26038.

It is an arithmetic number, because the mean of its divisors is an integer number (11118952).

Almost surely, 2^44424613 is an apocalyptic number.

It is an amenable number.

44424613 is a deficient number, since it is larger than the sum of its proper divisors (51195).

44424613 is an equidigital number, since it uses as much as digits as its factorization.

44424613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51194.

The product of its digits is 9216, while the sum is 28.

The square root of 44424613 is about 6665.1791423787. The cubic root of 44424613 is about 354.1668300868.

The spelling of 44424613 in words is "forty-four million, four hundred twenty-four thousand, six hundred thirteen".