6240666220 has 12 divisors (see below), whose sum is σ = 13105399104. Its totient is φ = 2496266480.

The previous prime is 6240666191. The next prime is 6240666227. The reversal of 6240666220 is 226660426.

It is not an unprimeable number, because it can be changed into a prime (6240666227) 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 3 ways as a sum of consecutive naturals, for example, 156016636 + ... + 156016675.

It is an arithmetic number, because the mean of its divisors is an integer number (1092116592).

Almost surely, 2^6240666220 is an apocalyptic number.

It is an amenable number.

6240666220 is an abundant number, since it is smaller than the sum of its proper divisors (6864732884).

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

6240666220 is a wasteful number, since it uses less digits than its factorization.

6240666220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312033320 (or 312033318 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 6240666220 is about 78997.8874401082. The cubic root of 6240666220 is about 1841.0983340905.

The spelling of 6240666220 in words is "six billion, two hundred forty million, six hundred sixty-six thousand, two hundred twenty".