8540512568 has 32 divisors (see below), whose sum is σ = 18795727200. Its totient is φ = 3561293952.

The previous prime is 8540512567. The next prime is 8540512571. The reversal of 8540512568 is 8652150458.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8540512567) 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, 2058863 + ... + 2063006.

It is an arithmetic number, because the mean of its divisors is an integer number (587366475).

Almost surely, 2^8540512568 is an apocalyptic number.

It is an amenable number.

8540512568 is an abundant number, since it is smaller than the sum of its proper divisors (10255214632).

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

8540512568 is a wasteful number, since it uses less digits than its factorization.

8540512568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4121919 (or 4121915 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 44.

The square root of 8540512568 is about 92414.8936481561. The cubic root of 8540512568 is about 2044.0647335833.

The spelling of 8540512568 in words is "eight billion, five hundred forty million, five hundred twelve thousand, five hundred sixty-eight".