8540380068 has 24 divisors (see below), whose sum is σ = 21739149600. Its totient is φ = 2587993920.

The previous prime is 8540380021. The next prime is 8540380087. The reversal of 8540380068 is 8600830458.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32349793 + ... + 32350056.

It is an arithmetic number, because the mean of its divisors is an integer number (905797900).

Almost surely, 2^8540380068 is an apocalyptic number.

It is an amenable number.

8540380068 is an abundant number, since it is smaller than the sum of its proper divisors (13198769532).

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

8540380068 is a wasteful number, since it uses less digits than its factorization.

8540380068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64699867 (or 64699865 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 8540380068 is about 92414.1767695844. The cubic root of 8540380068 is about 2044.0541627900.

The spelling of 8540380068 in words is "eight billion, five hundred forty million, three hundred eighty thousand, sixty-eight".