440244220024 has 32 divisors (see below), whose sum is σ = 945687074400. Its totient is φ = 188214773760.

The previous prime is 440244219979. The next prime is 440244220033. The reversal of 440244220024 is 420022442044.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 440244219974 and 440244220001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9587737 + ... + 9633544.

It is an arithmetic number, because the mean of its divisors is an integer number (29552721075).

Almost surely, 2^440244220024 is an apocalyptic number.

It is an amenable number.

440244220024 is an abundant number, since it is smaller than the sum of its proper divisors (505442854376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

440244220024 is a wasteful number, since it uses less digits than its factorization.

440244220024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19221703 (or 19221699 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 440244220024 its reverse (420022442044), we get a palindrome (860266662068).

The spelling of 440244220024 in words is "four hundred forty billion, two hundred forty-four million, two hundred twenty thousand, twenty-four".