44440031 has 4 divisors (see below), whose sum is σ = 46779000. Its totient is φ = 42101064.

The previous prime is 44440007. The next prime is 44440037. The reversal of 44440031 is 13004444.

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

It is a cyclic number.

It is not a de Polignac number, because 44440031 - 2²² = 40245727 is a prime.

It is a super-2 number, since 2×44440031² = 3949832710561922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44439985 and 44440012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44440037) 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, 1169456 + ... + 1169493.

It is an arithmetic number, because the mean of its divisors is an integer number (11694750).

Almost surely, 2^44440031 is an apocalyptic number.

44440031 is a deficient number, since it is larger than the sum of its proper divisors (2338969).

44440031 is a wasteful number, since it uses less digits than its factorization.

44440031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2338968.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 44440031 is about 6666.3356501154. The cubic root of 44440031 is about 354.2077977113.

Adding to 44440031 its reverse (13004444), we get a palindrome (57444475).

The spelling of 44440031 in words is "forty-four million, four hundred forty thousand, thirty-one".