18476326264 has 64 divisors (see below), whose sum is σ = 38751955200. Its totient is φ = 8185516800.

The previous prime is 18476326261. The next prime is 18476326279. The reversal of 18476326264 is 46262367481.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18476326261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5219007 + ... + 5222545.

It is an arithmetic number, because the mean of its divisors is an integer number (605499300).

Almost surely, 2^18476326264 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 18476326264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19375977600).

18476326264 is an abundant number, since it is smaller than the sum of its proper divisors (20275628936).

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

18476326264 is a wasteful number, since it uses less digits than its factorization.

18476326264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5044 (or 5040 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 49.

The spelling of 18476326264 in words is "eighteen billion, four hundred seventy-six million, three hundred twenty-six thousand, two hundred sixty-four".