8268320650 has 48 divisors (see below), whose sum is σ = 15748992000. Its totient is φ = 3228413760.

The previous prime is 8268320629. The next prime is 8268320659. The reversal of 8268320650 is 560238628.

It is not an unprimeable number, because it can be changed into a prime (8268320659) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 519511 + ... + 535189.

It is an arithmetic number, because the mean of its divisors is an integer number (328104000).

Almost surely, 2^8268320650 is an apocalyptic number.

8268320650 is a deficient number, since it is larger than the sum of its proper divisors (7480671350).

8268320650 is a wasteful number, since it uses less digits than its factorization.

8268320650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15943 (or 15938 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 8268320650 is about 90930.3065539757. The cubic root of 8268320650 is about 2022.1146245812.

The spelling of 8268320650 in words is "eight billion, two hundred sixty-eight million, three hundred twenty thousand, six hundred fifty".