3018728328 has 96 divisors (see below), whose sum is σ = 9480367680. Its totient is φ = 784080000.

The previous prime is 3018728257. The next prime is 3018728351. The reversal of 3018728328 is 8238278103.

3018728328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3018728328² = 18225441436539351168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 3018728328.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53923 + ... + 94578.

It is an arithmetic number, because the mean of its divisors is an integer number (98753830).

Almost surely, 2^3018728328 is an apocalyptic number.

It is an amenable number.

3018728328 is an abundant number, since it is smaller than the sum of its proper divisors (6461639352).

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

3018728328 is a wasteful number, since it uses less digits than its factorization.

3018728328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148539 (or 148524 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 3018728328 is about 54942.9552172069. The cubic root of 3018728328 is about 1445.2445602440.

The spelling of 3018728328 in words is "three billion, eighteen million, seven hundred twenty-eight thousand, three hundred twenty-eight".