4618554018 has 48 divisors (see below), whose sum is σ = 10017010080. Its totient is φ = 1419005952.

The previous prime is 4618553993. The next prime is 4618554049. The reversal of 4618554018 is 8104558164.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 776805 + ... + 782727.

It is an arithmetic number, because the mean of its divisors is an integer number (208687710).

Almost surely, 2^4618554018 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4618554018, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5008505040).

4618554018 is an abundant number, since it is smaller than the sum of its proper divisors (5398456062).

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

4618554018 is a wasteful number, since it uses less digits than its factorization.

4618554018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6723 (or 6710 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 42.

The square root of 4618554018 is about 67959.9442171637. The cubic root of 4618554018 is about 1665.3365319986.

The spelling of 4618554018 in words is "four billion, six hundred eighteen million, five hundred fifty-four thousand, eighteen".