4400444400444 has 36 divisors (see below), whose sum is σ = 11138039620344. Its totient is φ = 1464877122912.

The previous prime is 4400444400403. The next prime is 4400444400551. The reversal of 4400444400444 is 4440044440044.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 4400444400399 and 4400444400408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80708922 + ... + 80763425.

It is an arithmetic number, because the mean of its divisors is an integer number (309389989454).

Almost surely, 2^{4400444400444} is an apocalyptic number.

It is an amenable number.

4400444400444 is an abundant number, since it is smaller than the sum of its proper divisors (6737595219900).

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

4400444400444 is a wasteful number, since it uses less digits than its factorization.

4400444400444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161473114 (or 161473109 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 36.

Adding to 4400444400444 its reverse (4440044440044), we get a palindrome (8840488840488).

The spelling of 4400444400444 in words is "four trillion, four hundred billion, four hundred forty-four million, four hundred thousand, four hundred forty-four".