4044840004440 has 192 divisors, whose sum is σ = 13503365235360. Its totient is φ = 1049289707520.

The previous prime is 4044840004423. The next prime is 4044840004441. The reversal of 4044840004440 is 444000484404.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 4044840004395 and 4044840004404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4044840004441) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 87582555 + ... + 87628725.

Almost surely, 2^{4044840004440} is an apocalyptic number.

4044840004440 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 4044840004440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6751682617680).

4044840004440 is an abundant number, since it is smaller than the sum of its proper divisors (9458525230920).

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

4044840004440 is a wasteful number, since it uses less digits than its factorization.

4044840004440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52802 (or 52795 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 36.

Adding to 4044840004440 its reverse (444000484404), we get a palindrome (4488840488844).

The spelling of 4044840004440 in words is "four trillion, forty-four billion, eight hundred forty million, four thousand, four hundred forty".