44420431 has 12 divisors (see below), whose sum is σ = 50513400. Its totient is φ = 38986640.

The previous prime is 44420417. The next prime is 44420447. The reversal of 44420431 is 13402444.

It is not a de Polignac number, because 44420431 - 2⁵ = 44420399 is a prime.

It is a super-2 number, since 2×44420431² = 3946349380451522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44420231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2821 + ... + 9838.

It is an arithmetic number, because the mean of its divisors is an integer number (4209450).

Almost surely, 2^44420431 is an apocalyptic number.

44420431 is a deficient number, since it is larger than the sum of its proper divisors (6092969).

44420431 is a wasteful number, since it uses less digits than its factorization.

44420431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12710 (or 12699 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 44420431 is about 6664.8654149953. The cubic root of 44420431 is about 354.1557163366.

Adding to 44420431 its reverse (13402444), we get a palindrome (57822875).

The spelling of 44420431 in words is "forty-four million, four hundred twenty thousand, four hundred thirty-one".