440111221044 has 96 divisors (see below), whose sum is σ = 1181984348160. Its totient is φ = 126054259200.

The previous prime is 440111221019. The next prime is 440111221049. The reversal of 440111221044 is 440122111044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440111221049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 877372 + ... + 1284524.

It is an arithmetic number, because the mean of its divisors is an integer number (12312336960).

Almost surely, 2^440111221044 is an apocalyptic number.

440111221044 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 440111221044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (590992174080).

440111221044 is an abundant number, since it is smaller than the sum of its proper divisors (741873127116).

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

440111221044 is a wasteful number, since it uses less digits than its factorization.

440111221044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407621 (or 407619 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 440111221044 its reverse (440122111044), we get a palindrome (880233332088).

Subtracting 440111221044 from its reverse (440122111044), we obtain a square (10890000 = 3300²).

The spelling of 440111221044 in words is "four hundred forty billion, one hundred eleven million, two hundred twenty-one thousand, forty-four".