4044142220 has 24 divisors (see below), whose sum is σ = 8785551600. Its totient is φ = 1561875392.

The previous prime is 4044142181. The next prime is 4044142247. The reversal of 4044142220 is 222414404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3485750 + ... + 3486909.

It is an arithmetic number, because the mean of its divisors is an integer number (366064650).

Almost surely, 2^4044142220 is an apocalyptic number.

It is an amenable number.

4044142220 is an abundant number, since it is smaller than the sum of its proper divisors (4741409380).

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

4044142220 is a wasteful number, since it uses less digits than its factorization.

4044142220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6972697 (or 6972695 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 4044142220 is about 63593.5705869705. The cubic root of 4044142220 is about 1593.2189866568.

Adding to 4044142220 its reverse (222414404), we get a palindrome (4266556624).

The spelling of 4044142220 in words is "four billion, forty-four million, one hundred forty-two thousand, two hundred twenty".