44040431 has 8 divisors (see below), whose sum is σ = 44806944. Its totient is φ = 43280640.

The previous prime is 44040419. The next prime is 44040439. The reversal of 44040431 is 13404044.

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 44040431 - 2¹⁰ = 44039407 is a prime.

It is a super-2 number, since 2×44040431² = 3879119125331522, 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 (44040439) 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, 12551 + ... + 15671.

It is an arithmetic number, because the mean of its divisors is an integer number (5600868).

Almost surely, 2^44040431 is an apocalyptic number.

44040431 is a deficient number, since it is larger than the sum of its proper divisors (766513).

44040431 is a wasteful number, since it uses less digits than its factorization.

44040431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3361.

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

The square root of 44040431 is about 6636.2964822256. The cubic root of 44040431 is about 353.1429333937.

Adding to 44040431 its reverse (13404044), we get a palindrome (57444475).

It can be divided in two parts, 4404043 and 1, that added together give a palindrome (4404044).

The spelling of 44040431 in words is "forty-four million, forty thousand, four hundred thirty-one".