4440021204 has 24 divisors (see below), whose sum is σ = 10372569760. Its totient is φ = 1478218464.

The previous prime is 4440021203. The next prime is 4440021211. The reversal of 4440021204 is 4021200444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4440021203) 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 7 ways as a sum of consecutive naturals, for example, 213214 + ... + 233109.

Almost surely, 2^4440021204 is an apocalyptic number.

It is an amenable number.

4440021204 is an abundant number, since it is smaller than the sum of its proper divisors (5932548556).

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

4440021204 is a wasteful number, since it uses less digits than its factorization.

4440021204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447159 (or 447157 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 4440021204 is about 66633.4841052154. The cubic root of 4440021204 is about 1643.5957693939.

Adding to 4440021204 its reverse (4021200444), we get a palindrome (8461221648).

The spelling of 4440021204 in words is "four billion, four hundred forty million, twenty-one thousand, two hundred four".