4438165220 has 48 divisors (see below), whose sum is σ = 9952588800. Its totient is φ = 1658751360.

The previous prime is 4438165213. The next prime is 4438165223. The reversal of 4438165220 is 225618344.

It is not an unprimeable number, because it can be changed into a prime (4438165223) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 105440 + ... + 141399.

It is an arithmetic number, because the mean of its divisors is an integer number (207345600).

Almost surely, 2^4438165220 is an apocalyptic number.

It is an amenable number.

4438165220 is an abundant number, since it is smaller than the sum of its proper divisors (5514423580).

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

4438165220 is a wasteful number, since it uses less digits than its factorization.

4438165220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246908 (or 246906 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 4438165220 is about 66619.5558376067. Note that the first 3 decimals coincide. The cubic root of 4438165220 is about 1643.3667229955.

The spelling of 4438165220 in words is "four billion, four hundred thirty-eight million, one hundred sixty-five thousand, two hundred twenty".