444405500240443 has 24 divisors (see below), whose sum is σ = 518632232171040. Its totient is φ = 379687974664320.

The previous prime is 444405500240417. The next prime is 444405500240477. The reversal of 444405500240443 is 344042005504444.

It is not a de Polignac number, because 444405500240443 - 2²⁵ = 444405466686011 is a prime.

It is a super-4 number, since 4×444405500240443⁴ (a number of 60 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 444405500240443.

It is not an unprimeable number, because it can be changed into a prime (444405500240743) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1098362005 + ... + 1098766537.

It is an arithmetic number, because the mean of its divisors is an integer number (21609676340460).

Almost surely, 2^{444405500240443} is an apocalyptic number.

444405500240443 is a deficient number, since it is larger than the sum of its proper divisors (74226731930597).

444405500240443 is a wasteful number, since it uses less digits than its factorization.

444405500240443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476947 (or 476940 counting only the distinct ones).

The product of its (nonzero) digits is 2457600, while the sum is 43.

Adding to 444405500240443 its reverse (344042005504444), we get a palindrome (788447505744887).

The spelling of 444405500240443 in words is "four hundred forty-four trillion, four hundred five billion, five hundred million, two hundred forty thousand, four hundred forty-three".