8206640248 has 16 divisors (see below), whose sum is σ = 16292594880. Its totient is φ = 3861948288.

The previous prime is 8206640243. The next prime is 8206640251. The reversal of 8206640248 is 8420466028.

It is a self number, because there is not a number n which added to its sum of digits gives 8206640248.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8206640243) 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, 30171336 + ... + 30171607.

It is an arithmetic number, because the mean of its divisors is an integer number (1018287180).

Almost surely, 2^8206640248 is an apocalyptic number.

It is an amenable number.

8206640248 is a deficient number, since it is larger than the sum of its proper divisors (8085954632).

8206640248 is a wasteful number, since it uses less digits than its factorization.

8206640248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60342966 (or 60342962 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 40.

The square root of 8206640248 is about 90590.5085977554. The cubic root of 8206640248 is about 2017.0738477527.

The spelling of 8206640248 in words is "eight billion, two hundred six million, six hundred forty thousand, two hundred forty-eight".