8540232866399 has 8 divisors (see below), whose sum is σ = 9197898391920. Its totient is φ = 7882670846016.

The previous prime is 8540232866359. The next prime is 8540232866401. The reversal of 8540232866399 is 9936682320458.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8540232866399 - 2⁴⁰ = 7440721238623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8540232866359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25704869 + ... + 26034990.

It is an arithmetic number, because the mean of its divisors is an integer number (1149737298990).

Almost surely, 2^{8540232866399} is an apocalyptic number.

8540232866399 is a deficient number, since it is larger than the sum of its proper divisors (657665525521).

8540232866399 is a wasteful number, since it uses less digits than its factorization.

8540232866399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51752569.

The product of its (nonzero) digits is 134369280, while the sum is 65.

The spelling of 8540232866399 in words is "eight trillion, five hundred forty billion, two hundred thirty-two million, eight hundred sixty-six thousand, three hundred ninety-nine".