4044224440 has 32 divisors (see below), whose sum is σ = 9101322000. Its totient is φ = 1617366784.

The previous prime is 4044224419. The next prime is 4044224441. The reversal of 4044224440 is 444224404.

It is a junction number, because it is equal to n+sod(n) for n = 4044224399 and 4044224408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4044224441) 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 7 ways as a sum of consecutive naturals, for example, 362871 + ... + 373849.

Almost surely, 2^4044224440 is an apocalyptic number.

4044224440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4044224440 is an abundant number, since it is smaller than the sum of its proper divisors (5057097560).

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

4044224440 is a wasteful number, since it uses less digits than its factorization.

4044224440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20199 (or 20195 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

The square root of 4044224440 is about 63594.2170326831. The cubic root of 4044224440 is about 1593.2297836376.

Adding to 4044224440 its reverse (444224404), we get a palindrome (4488448844).

It can be divided in two parts, 4044 and 224440, that added together give a square (228484 = 478²).

The spelling of 4044224440 in words is "four billion, forty-four million, two hundred twenty-four thousand, four hundred forty".