4400440444000 has 96 divisors (see below), whose sum is σ = 10834087957056. Its totient is φ = 1756561075200.

The previous prime is 4400440443953. The next prime is 4400440444003. The reversal of 4400440444000 is 4440440044.

It is a super-2 number, since 2×4400440444000² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4400440444000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4400440444003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 818524 + ... + 3077476.

It is an arithmetic number, because the mean of its divisors is an integer number (112855082886).

Almost surely, 2^{4400440444000} is an apocalyptic number.

4400440444000 is a gapful number since it is divisible by the number (40) 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 4400440444000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5417043978528).

4400440444000 is an abundant number, since it is smaller than the sum of its proper divisors (6433647513056).

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

4400440444000 is a wasteful number, since it uses less digits than its factorization.

4400440444000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2259465 (or 2259447 counting only the distinct ones).

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

Adding to 4400440444000 its reverse (4440440044), we get a palindrome (4404880884044).

The spelling of 4400440444000 in words is "four trillion, four hundred billion, four hundred forty million, four hundred forty-four thousand".