28341818180 has 24 divisors (see below), whose sum is σ = 64096112472. Its totient is φ = 10464671232.

The previous prime is 28341818177. The next prime is 28341818299. The reversal of 28341818180 is 8181814382.

It can be written as a sum of positive squares in 4 ways, for example, as 632220736 + 27709597444 = 25144^2 + 166462^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 54503237 + ... + 54503756.

It is an arithmetic number, because the mean of its divisors is an integer number (2670671353).

Almost surely, 2^28341818180 is an apocalyptic number.

28341818180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28341818180 is an abundant number, since it is smaller than the sum of its proper divisors (35754294292).

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

28341818180 is a wasteful number, since it uses less digits than its factorization.

28341818180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109007015 (or 109007013 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 44.

The spelling of 28341818180 in words is "twenty-eight billion, three hundred forty-one million, eight hundred eighteen thousand, one hundred eighty".