4044440544 has 96 divisors (see below), whose sum is σ = 11139287040. Its totient is φ = 1283212800.

The previous prime is 4044440503. The next prime is 4044440591. The reversal of 4044440544 is 4450444404.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170397 + ... + 192675.

It is an arithmetic number, because the mean of its divisors is an integer number (116034240).

Almost surely, 2^4044440544 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 4044440544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5569643520).

4044440544 is an abundant number, since it is smaller than the sum of its proper divisors (7094846496).

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

4044440544 is a wasteful number, since it uses less digits than its factorization.

4044440544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22384 (or 22376 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 33.

The square root of 4044440544 is about 63595.9160952966. The cubic root of 4044440544 is about 1593.2581613238.

Adding to 4044440544 its reverse (4450444404), we get a palindrome (8494884948).

The spelling of 4044440544 in words is "four billion, forty-four million, four hundred forty thousand, five hundred forty-four".