44431322313405 has 16 divisors (see below), whose sum is σ = 71171176287744. Its totient is φ = 23669685038400.

The previous prime is 44431322313397. The next prime is 44431322313451. The reversal of 44431322313405 is 50431322313444.

It is not a de Polignac number, because 44431322313405 - 2³ = 44431322313397 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1688748621 + ... + 1688774930.

It is an arithmetic number, because the mean of its divisors is an integer number (4448198517984).

Almost surely, 2^{44431322313405} is an apocalyptic number.

It is an amenable number.

44431322313405 is a deficient number, since it is larger than the sum of its proper divisors (26739853974339).

44431322313405 is a wasteful number, since it uses less digits than its factorization.

44431322313405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3377524436.

The product of its (nonzero) digits is 414720, while the sum is 39.

Adding to 44431322313405 its sum of digits (39), we get a palindrome (44431322313444).

Adding to 44431322313405 its reverse (50431322313444), we get a palindrome (94862644626849).

The spelling of 44431322313405 in words is "forty-four trillion, four hundred thirty-one billion, three hundred twenty-two million, three hundred thirteen thousand, four hundred five".