9140540668 has 48 divisors (see below), whose sum is σ = 18520588800. Its totient is φ = 3866151744.

The previous prime is 9140540663. The next prime is 9140540677. The reversal of 9140540668 is 8660450419.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9140540663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3584658 + ... + 3587206.

It is an arithmetic number, because the mean of its divisors is an integer number (385845600).

Almost surely, 2^9140540668 is an apocalyptic number.

It is an amenable number.

9140540668 is an abundant number, since it is smaller than the sum of its proper divisors (9380048132).

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

9140540668 is a wasteful number, since it uses less digits than its factorization.

9140540668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4186 (or 4184 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 9140540668 is about 95606.1748424232. The cubic root of 9140540668 is about 2090.8552216807.

The spelling of 9140540668 in words is "nine billion, one hundred forty million, five hundred forty thousand, six hundred sixty-eight".