4444013220 has 24 divisors (see below), whose sum is σ = 12443237184. Its totient is φ = 1185070176.

The previous prime is 4444013219. The next prime is 4444013251. The reversal of 4444013220 is 223104444.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37033384 + ... + 37033503.

It is an arithmetic number, because the mean of its divisors is an integer number (518468216).

Almost surely, 2^4444013220 is an apocalyptic number.

It is an amenable number.

4444013220 is an abundant number, since it is smaller than the sum of its proper divisors (7999223964).

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

4444013220 is a wasteful number, since it uses less digits than its factorization.

4444013220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74066899 (or 74066897 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 4444013220 is about 66663.4324048800. The cubic root of 4444013220 is about 1644.0882066205.

Adding to 4444013220 its reverse (223104444), we get a palindrome (4667117664).

The spelling of 4444013220 in words is "four billion, four hundred forty-four million, thirteen thousand, two hundred twenty".