44013431 has 8 divisors (see below), whose sum is σ = 54873984. Its totient is φ = 34296120.

The previous prime is 44013419. The next prime is 44013451. The reversal of 44013431 is 13431044.

It is a happy number.

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 44013431 - 2²² = 39819127 is a prime.

It is a super-2 number, since 2×44013431² = 3874364216783522, which contains 22 as substring.

44013431 is a modest number, since divided by 13431 gives 44 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44013451) 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, 285725 + ... + 285878.

It is an arithmetic number, because the mean of its divisors is an integer number (6859248).

Almost surely, 2^44013431 is an apocalyptic number.

44013431 is a deficient number, since it is larger than the sum of its proper divisors (10860553).

44013431 is a wasteful number, since it uses less digits than its factorization.

44013431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571621.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 44013431 is about 6634.2619031811. The cubic root of 44013431 is about 353.0707511725.

Adding to 44013431 its reverse (13431044), we get a palindrome (57444475).

It can be divided in two parts, 44013 and 431, that added together give a palindrome (44444).

The spelling of 44013431 in words is "forty-four million, thirteen thousand, four hundred thirty-one".