4518813216 has 24 divisors (see below), whose sum is σ = 11861884944. Its totient is φ = 1506271040.

The previous prime is 4518813199. The next prime is 4518813217. The reversal of 4518813216 is 6123188154.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (4518813217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23535390 + ... + 23535581.

It is an arithmetic number, because the mean of its divisors is an integer number (494245206).

Almost surely, 2^4518813216 is an apocalyptic number.

It is an amenable number.

4518813216 is an abundant number, since it is smaller than the sum of its proper divisors (7343071728).

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

4518813216 is a wasteful number, since it uses less digits than its factorization.

4518813216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47070984 (or 47070976 counting only the distinct ones).

The product of its digits is 46080, while the sum is 39.

The square root of 4518813216 is about 67222.1185027666. The cubic root of 4518813216 is about 1653.2611615796.

The spelling of 4518813216 in words is "four billion, five hundred eighteen million, eight hundred thirteen thousand, two hundred sixteen".