4044488440 has 64 divisors (see below), whose sum is σ = 9242644320. Its totient is φ = 1592640000.

The previous prime is 4044488431. The next prime is 4044488443. The reversal of 4044488440 is 448844404.

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 = 4044488393 and 4044488402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4044488443) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 728475 + ... + 734005.

Almost surely, 2^4044488440 is an apocalyptic number.

4044488440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4044488440 is an abundant number, since it is smaller than the sum of its proper divisors (5198155880).

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

4044488440 is a wasteful number, since it uses less digits than its factorization.

4044488440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5824 (or 5820 counting only the distinct ones).

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

The square root of 4044488440 is about 63596.2926592423. The cubic root of 4044488440 is about 1593.2644506479.

It can be divided in two parts, 404 and 4488440, that added together give a palindrome (4488844).

The spelling of 4044488440 in words is "four billion, forty-four million, four hundred eighty-eight thousand, four hundred forty".