44140120320401 has 12 divisors (see below), whose sum is σ = 51721463800548. Its totient is φ = 37558225418112.

The previous prime is 44140120320389. The next prime is 44140120320407. The reversal of 44140120320401 is 10402302104144.

It can be written as a sum of positive squares in 2 ways, for example, as 30043279380625 + 14096840939776 = 5481175^2 + 3754576^2 .

It is not a de Polignac number, because 44140120320401 - 2³⁰ = 44139046578577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44140120320407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3287653076 + ... + 3287666501.

It is an arithmetic number, because the mean of its divisors is an integer number (4310121983379).

Almost surely, 2^{44140120320401} is an apocalyptic number.

It is an amenable number.

44140120320401 is a deficient number, since it is larger than the sum of its proper divisors (7581343480147).

44140120320401 is a wasteful number, since it uses less digits than its factorization.

44140120320401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6575319728 (or 6575319721 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 44140120320401 its reverse (10402302104144), we get a palindrome (54542422424545).

The spelling of 44140120320401 in words is "forty-four trillion, one hundred forty billion, one hundred twenty million, three hundred twenty thousand, four hundred one".