440320445423344 has 20 divisors (see below), whose sum is σ = 859633236011880. Its totient is φ = 218479610323520.

The previous prime is 440320445423273. The next prime is 440320445423437. The reversal of 440320445423344 is 443324544023044.

It is a junction number, because it is equal to n+sod(n) for n = 440320445423294 and 440320445423303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105038272099 + ... + 105038276290.

It is an arithmetic number, because the mean of its divisors is an integer number (42981661800594).

Almost surely, 2^{440320445423344} is an apocalyptic number.

It is an amenable number.

440320445423344 is a deficient number, since it is larger than the sum of its proper divisors (419312790588536).

440320445423344 is a wasteful number, since it uses less digits than its factorization.

440320445423344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210076548528 (or 210076548522 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 46.

Adding to 440320445423344 its reverse (443324544023044), we get a palindrome (883644989446388).

The spelling of 440320445423344 in words is "four hundred forty trillion, three hundred twenty billion, four hundred forty-five million, four hundred twenty-three thousand, three hundred forty-four".