3205607680 has 72 divisors (see below), whose sum is σ = 8376508224. Its totient is φ = 1165670400.

The previous prime is 3205607677. The next prime is 3205607689. The reversal of 3205607680 is 867065023.

It is not an unprimeable number, because it can be changed into a prime (3205607689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99756 + ... + 127915.

It is an arithmetic number, because the mean of its divisors is an integer number (116340392).

Almost surely, 2^3205607680 is an apocalyptic number.

It is an amenable number.

3205607680 is an abundant number, since it is smaller than the sum of its proper divisors (5170900544).

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

3205607680 is a wasteful number, since it uses less digits than its factorization.

3205607680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227703 (or 227689 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 3205607680 is about 56618.0861562805. The cubic root of 3205607680 is about 1474.4728833709.

The spelling of 3205607680 in words is "three billion, two hundred five million, six hundred seven thousand, six hundred eighty".