441721127145 has 64 divisors (see below), whose sum is σ = 739338969600. Its totient is φ = 224913991680.

The previous prime is 441721127143. The next prime is 441721127171. The reversal of 441721127145 is 541721127144.

It is not a de Polignac number, because 441721127145 - 2¹ = 441721127143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (441721127143) 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 63 ways as a sum of consecutive naturals, for example, 23840485 + ... + 23859005.

It is an arithmetic number, because the mean of its divisors is an integer number (11552171400).

Almost surely, 2^441721127145 is an apocalyptic number.

It is an amenable number.

441721127145 is a deficient number, since it is larger than the sum of its proper divisors (297617842455).

441721127145 is a wasteful number, since it uses less digits than its factorization.

441721127145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19170.

The product of its digits is 62720, while the sum is 39.

Subtracting 441721127145 from its reverse (541721127144), we obtain a palindrome (99999999999).

The spelling of 441721127145 in words is "four hundred forty-one billion, seven hundred twenty-one million, one hundred twenty-seven thousand, one hundred forty-five".