440044244420 has 48 divisors (see below), whose sum is σ = 1008162021888. Its totient is φ = 160006460160.

The previous prime is 440044244363. The next prime is 440044244447. The reversal of 440044244420 is 24442440044.

It is a super-2 number, since 2×440044244420² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4330637 + ... + 4431083.

It is an arithmetic number, because the mean of its divisors is an integer number (21003375456).

Almost surely, 2^440044244420 is an apocalyptic number.

It is an amenable number.

440044244420 is an abundant number, since it is smaller than the sum of its proper divisors (568117777468).

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

440044244420 is a wasteful number, since it uses less digits than its factorization.

440044244420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120380 (or 120378 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 440044244420 its reverse (24442440044), we get a palindrome (464486684464).

The spelling of 440044244420 in words is "four hundred forty billion, forty-four million, two hundred forty-four thousand, four hundred twenty".