4440020224 has 18 divisors (see below), whose sum is σ = 8862697130. Its totient is φ = 2220009984.

The previous prime is 4440020209. The next prime is 4440020309. The reversal of 4440020224 is 4220200444.

It can be written as a sum of positive squares in only one way, i.e., 4313862400 + 126157824 = 65680^2 + 11232^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4440020195 and 4440020204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8671659 + ... + 8672170.

Almost surely, 2^4440020224 is an apocalyptic number.

It is an amenable number.

4440020224 is a deficient number, since it is larger than the sum of its proper divisors (4422676906).

4440020224 is an equidigital number, since it uses as much as digits as its factorization.

4440020224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17343845 (or 17343831 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 4440020224 is about 66633.4767515548. The cubic root of 4440020224 is about 1643.5956484692.

Adding to 4440020224 its reverse (4220200444), we get a palindrome (8660220668).

The spelling of 4440020224 in words is "four billion, four hundred forty million, twenty thousand, two hundred twenty-four".