8182806140 has 24 divisors (see below), whose sum is σ = 17931019680. Its totient is φ = 3130812608.

The previous prime is 8182806127. The next prime is 8182806169. The reversal of 8182806140 is 416082818.

It is a junction number, because it is equal to n+sod(n) for n = 8182806094 and 8182806103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8893895 + ... + 8894814.

It is an arithmetic number, because the mean of its divisors is an integer number (747125820).

Almost surely, 2^8182806140 is an apocalyptic number.

It is an amenable number.

8182806140 is an abundant number, since it is smaller than the sum of its proper divisors (9748213540).

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

8182806140 is a wasteful number, since it uses less digits than its factorization.

8182806140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17788741 (or 17788739 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 38.

The square root of 8182806140 is about 90458.8643528096. The cubic root of 8182806140 is about 2015.1192609621.

Adding to 8182806140 its reverse (416082818), we get a palindrome (8598888958).

The spelling of 8182806140 in words is "eight billion, one hundred eighty-two million, eight hundred six thousand, one hundred forty".