6650322040 has 32 divisors (see below), whose sum is σ = 15041583360. Its totient is φ = 2646198400.

The previous prime is 6650321983. The next prime is 6650322047. The reversal of 6650322040 is 402230566.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6650322047) 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 7 ways as a sum of consecutive naturals, for example, 427591 + ... + 442870.

It is an arithmetic number, because the mean of its divisors is an integer number (470049480).

Almost surely, 2^6650322040 is an apocalyptic number.

It is an amenable number.

6650322040 is an abundant number, since it is smaller than the sum of its proper divisors (8391261320).

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

6650322040 is a wasteful number, since it uses less digits than its factorization.

6650322040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870663 (or 870659 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 6650322040 is about 81549.5066815244. The cubic root of 6650322040 is about 1880.5327108161.

The spelling of 6650322040 in words is "six billion, six hundred fifty million, three hundred twenty-two thousand, forty".