4044884440 has 64 divisors (see below), whose sum is σ = 9331264800. Its totient is φ = 1577167872.

The previous prime is 4044884423. The next prime is 4044884449. The reversal of 4044884440 is 444884404.

It is a super-2 number, since 2×4044884440² = 32722180265908227200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 4044884393 and 4044884402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4044884449) by changing a digit.

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, 976614 + ... + 980746.

Almost surely, 2^4044884440 is an apocalyptic number.

4044884440 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 4044884440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4665632400).

4044884440 is an abundant number, since it is smaller than the sum of its proper divisors (5286380360).

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

4044884440 is a wasteful number, since it uses less digits than its factorization.

4044884440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4756 (or 4752 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 40.

The square root of 4044884440 is about 63599.4059720686. The cubic root of 4044884440 is about 1593.3164483348.

The spelling of 4044884440 in words is "four billion, forty-four million, eight hundred eighty-four thousand, four hundred forty".