18459603824 has 40 divisors (see below), whose sum is σ = 37717801680. Its totient is φ = 8727782400.

The previous prime is 18459603823. The next prime is 18459603839. The reversal of 18459603824 is 42830695481.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18459603823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108344 + ... + 220584.

It is an arithmetic number, because the mean of its divisors is an integer number (942945042).

Almost surely, 2^18459603824 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18459603824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18858900840).

18459603824 is an abundant number, since it is smaller than the sum of its proper divisors (19258197856).

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

18459603824 is a wasteful number, since it uses less digits than its factorization.

18459603824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112809 (or 112803 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 50.

The spelling of 18459603824 in words is "eighteen billion, four hundred fifty-nine million, six hundred three thousand, eight hundred twenty-four".