3318720044 has 24 divisors (see below), whose sum is σ = 6117720000. Its totient is φ = 1570922640.

The previous prime is 3318720043. The next prime is 3318720047. The reversal of 3318720044 is 4400278133.

It is a super-2 number, since 2×3318720044² = 22027805460894723872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3318720043) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 99359 + ... + 128489.

It is an arithmetic number, because the mean of its divisors is an integer number (254905000).

Almost surely, 2^3318720044 is an apocalyptic number.

It is an amenable number.

3318720044 is a deficient number, since it is larger than the sum of its proper divisors (2798999956).

3318720044 is a wasteful number, since it uses less digits than its factorization.

3318720044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30653 (or 30651 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 3318720044 is about 57608.3331124934. Note that the first 3 decimals coincide. The cubic root of 3318720044 is about 1491.6154489341.

Adding to 3318720044 its reverse (4400278133), we get a palindrome (7718998177).

The spelling of 3318720044 in words is "three billion, three hundred eighteen million, seven hundred twenty thousand, forty-four".