44144134442431 has 8 divisors (see below), whose sum is σ = 45205352511264. Its totient is φ = 43091372294880.

The previous prime is 44144134442423. The next prime is 44144134442479. The reversal of 44144134442431 is 13424443144144.

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 44144134442431 - 2³ = 44144134442423 is a prime.

It is a super-2 number, since 2×44144134442431² (a number of 28 digits) 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 (44144134442491) 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, 2113969755 + ... + 2113990636.

It is an arithmetic number, because the mean of its divisors is an integer number (5650669063908).

Almost surely, 2^{44144134442431} is an apocalyptic number.

44144134442431 is a deficient number, since it is larger than the sum of its proper divisors (1061218068833).

44144134442431 is a wasteful number, since it uses less digits than its factorization.

44144134442431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4227960641.

The product of its digits is 1179648, while the sum is 43.

Adding to 44144134442431 its reverse (13424443144144), we get a palindrome (57568577586575).

The spelling of 44144134442431 in words is "forty-four trillion, one hundred forty-four billion, one hundred thirty-four million, four hundred forty-two thousand, four hundred thirty-one".