44131405244545 has 16 divisors (see below), whose sum is σ = 57588326593488. Its totient is φ = 32330288609280.

The previous prime is 44131405244533. The next prime is 44131405244561. The reversal of 44131405244545 is 54544250413144.

It can be written as a sum of positive squares in 8 ways, for example, as 15129205978384 + 29002199266161 = 3889628^2 + 5385369^2 .

It is not a de Polignac number, because 44131405244545 - 2⁷ = 44131405244417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44131405244495 and 44131405244504.

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, 7016118516 + ... + 7016124805.

It is an arithmetic number, because the mean of its divisors is an integer number (3599270412093).

Almost surely, 2^{44131405244545} is an apocalyptic number.

It is an amenable number.

44131405244545 is a deficient number, since it is larger than the sum of its proper divisors (13456921348943).

44131405244545 is a wasteful number, since it uses less digits than its factorization.

44131405244545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14032243380.

The product of its (nonzero) digits is 3072000, while the sum is 46.

Adding to 44131405244545 its reverse (54544250413144), we get a palindrome (98675655657689).

The spelling of 44131405244545 in words is "forty-four trillion, one hundred thirty-one billion, four hundred five million, two hundred forty-four thousand, five hundred forty-five".