18411444200 has 96 divisors (see below), whose sum is σ = 44044383360. Its totient is φ = 7152364800.

The previous prime is 18411444197. The next prime is 18411444211. The reversal of 18411444200 is 244411481.

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, 4667429 + ... + 4671371.

It is an arithmetic number, because the mean of its divisors is an integer number (458795660).

Almost surely, 2^18411444200 is an apocalyptic number.

18411444200 is a gapful number since it is divisible by the number (10) 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 18411444200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22022191680).

18411444200 is an abundant number, since it is smaller than the sum of its proper divisors (25632939160).

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

18411444200 is a wasteful number, since it uses less digits than its factorization.

18411444200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4627 (or 4618 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 29.

Adding to 18411444200 its reverse (244411481), we get a palindrome (18655855681).

The spelling of 18411444200 in words is "eighteen billion, four hundred eleven million, four hundred forty-four thousand, two hundred".