3272640818 has 16 divisors (see below), whose sum is σ = 5056408896. Its totient is φ = 1587675600.

The previous prime is 3272640817. The next prime is 3272640857. The reversal of 3272640818 is 8180462723.

It is not an unprimeable number, because it can be changed into a prime (3272640817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113021 + ... + 138992.

It is an arithmetic number, because the mean of its divisors is an integer number (316025556).

Almost surely, 2^3272640818 is an apocalyptic number.

3272640818 is a deficient number, since it is larger than the sum of its proper divisors (1783768078).

3272640818 is a wasteful number, since it uses less digits than its factorization.

3272640818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252209.

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 3272640818 is about 57206.9997290541. Note that the first 3 decimals coincide. The cubic root of 3272640818 is about 1484.6797357922.

The spelling of 3272640818 in words is "three billion, two hundred seventy-two million, six hundred forty thousand, eight hundred eighteen".