8940681266 has 16 divisors (see below), whose sum is σ = 15134696640. Its totient is φ = 3923809680.

The previous prime is 8940681257. The next prime is 8940681307. The reversal of 8940681266 is 6621860498.

It is a happy number.

8940681266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

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, 7006166 + ... + 7007441.

It is an arithmetic number, because the mean of its divisors is an integer number (945918540).

Almost surely, 2^8940681266 is an apocalyptic number.

8940681266 is a deficient number, since it is larger than the sum of its proper divisors (6194015374).

8940681266 is a wasteful number, since it uses less digits than its factorization.

8940681266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14013649.

The product of its (nonzero) digits is 995328, while the sum is 50.

The square root of 8940681266 is about 94555.1757758400. The cubic root of 8940681266 is about 2075.5038223825.

The spelling of 8940681266 in words is "eight billion, nine hundred forty million, six hundred eighty-one thousand, two hundred sixty-six".