4400438022 has 16 divisors (see below), whose sum is σ = 9778751280. Its totient is φ = 1466812656.

The previous prime is 4400438017. The next prime is 4400438041. The reversal of 4400438022 is 2208340044.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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, 40744743 + ... + 40744850.

It is an arithmetic number, because the mean of its divisors is an integer number (611171955).

Almost surely, 2^4400438022 is an apocalyptic number.

4400438022 is an abundant number, since it is smaller than the sum of its proper divisors (5378313258).

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

4400438022 is a wasteful number, since it uses less digits than its factorization.

4400438022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81489604 (or 81489598 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 4400438022 is about 66335.7974399946. The cubic root of 4400438022 is about 1638.6969152669.

Adding to 4400438022 its reverse (2208340044), we get a palindrome (6608778066).

The spelling of 4400438022 in words is "four billion, four hundred million, four hundred thirty-eight thousand, twenty-two".