4402440020 has 96 divisors (see below), whose sum is σ = 10838862720. Its totient is φ = 1484144640.

The previous prime is 4402440019. The next prime is 4402440047. The reversal of 4402440020 is 200442044.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 4402439974 and 4402440001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 241796 + ... + 259364.

It is an arithmetic number, because the mean of its divisors is an integer number (112904820).

Almost surely, 2^4402440020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4402440020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5419431360).

4402440020 is an abundant number, since it is smaller than the sum of its proper divisors (6436422700).

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

4402440020 is a wasteful number, since it uses less digits than its factorization.

4402440020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17673 (or 17671 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 4402440020 is about 66350.8856007213. The cubic root of 4402440020 is about 1638.9453883006.

Adding to 4402440020 its reverse (200442044), we get a palindrome (4602882064).

The spelling of 4402440020 in words is "four billion, four hundred two million, four hundred forty thousand, twenty".