18441841152 has 160 divisors (see below), whose sum is σ = 56243721600. Its totient is φ = 5260197888.

The previous prime is 18441841141. The next prime is 18441841169. The reversal of 18441841152 is 25114814481.

It is a self number, because there is not a number n which added to its sum of digits gives 18441841152.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8912374 + ... + 8914442.

It is an arithmetic number, because the mean of its divisors is an integer number (351523260).

Almost surely, 2^18441841152 is an apocalyptic number.

18441841152 is a gapful number since it is divisible by the number (12) 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 18441841152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28121860800).

18441841152 is an abundant number, since it is smaller than the sum of its proper divisors (37801880448).

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

18441841152 is an equidigital number, since it uses as much as digits as its factorization.

18441841152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2926 (or 2910 counting only the distinct ones).

The product of its digits is 40960, while the sum is 39.

The spelling of 18441841152 in words is "eighteen billion, four hundred forty-one million, eight hundred forty-one thousand, one hundred fifty-two".