18286235324 has 72 divisors (see below), whose sum is σ = 38098499040. Its totient is φ = 7654518144.

The previous prime is 18286235323. The next prime is 18286235327. The reversal of 18286235324 is 42353268281.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18286235323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2375009 + ... + 2382695.

It is an arithmetic number, because the mean of its divisors is an integer number (529145820).

Almost surely, 2^18286235324 is an apocalyptic number.

18286235324 is a gapful number since it is divisible by the number (14) 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 18286235324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19049249520).

18286235324 is an abundant number, since it is smaller than the sum of its proper divisors (19812263716).

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

18286235324 is a wasteful number, since it uses less digits than its factorization.

18286235324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7987 (or 7978 counting only the distinct ones).

The product of its digits is 552960, while the sum is 44.

The spelling of 18286235324 in words is "eighteen billion, two hundred eighty-six million, two hundred thirty-five thousand, three hundred twenty-four".