440344221344 has 72 divisors (see below), whose sum is σ = 907792855200. Its totient is φ = 210242983808.

The previous prime is 440344221329. The next prime is 440344221349. The reversal of 440344221344 is 443122443044.

It is not an unprimeable number, because it can be changed into a prime (440344221349) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10118159 + ... + 10161585.

It is an arithmetic number, because the mean of its divisors is an integer number (12608234100).

Almost surely, 2^440344221344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 440344221344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (453896427600).

440344221344 is an abundant number, since it is smaller than the sum of its proper divisors (467448633856).

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

440344221344 is a wasteful number, since it uses less digits than its factorization.

440344221344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44082 (or 44051 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 35.

Adding to 440344221344 its reverse (443122443044), we get a palindrome (883466664388).

The spelling of 440344221344 in words is "four hundred forty billion, three hundred forty-four million, two hundred twenty-one thousand, three hundred forty-four".