18411296832 has 84 divisors (see below), whose sum is σ = 53064520236. Its totient is φ = 6103157760.

The previous prime is 18411296809. The next prime is 18411296833. The reversal of 18411296832 is 23869211481.

It can be written as a sum of positive squares in 2 ways, for example, as 3669451776 + 14741845056 = 60576^2 + 121416^2 .

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (18411296833) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 15958 + ... + 192554.

It is an arithmetic number, because the mean of its divisors is an integer number (631720479).

Almost surely, 2^18411296832 is an apocalyptic number.

18411296832 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 18411296832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26532260118).

18411296832 is an abundant number, since it is smaller than the sum of its proper divisors (34653223404).

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

18411296832 is a wasteful number, since it uses less digits than its factorization.

18411296832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176796 (or 176783 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The spelling of 18411296832 in words is "eighteen billion, four hundred eleven million, two hundred ninety-six thousand, eight hundred thirty-two".