4518000000 has 336 divisors, whose sum is σ = 16315806780. Its totient is φ = 1200000000.

The previous prime is 4517999977. The next prime is 4518000001. The reversal of 4518000000 is 8154.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4518000001) by changing a digit.

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 41 ways as a sum of consecutive naturals, for example, 17999875 + ... + 18000125.

Almost surely, 2^4518000000 is an apocalyptic number.

4518000000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4518000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8157903390).

4518000000 is an abundant number, since it is smaller than the sum of its proper divisors (11797806780).

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

4518000000 is an frugal number, since it uses more digits than its factorization.

4518000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301 (or 261 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 4518000000 is about 67216.0695072242. The cubic root of 4518000000 is about 1653.1619807384.

Adding to 4518000000 its reverse (8154), we get a palindrome (4518008154).

The spelling of 4518000000 in words is "four billion, five hundred eighteen million", and thus it is an aban number.