8540065610988 has 24 divisors (see below), whose sum is σ = 19927433745408. Its totient is φ = 2846600824656.

The previous prime is 8540065610963. The next prime is 8540065611041. The reversal of 8540065610988 is 8890165600458.

It is a super-2 number, since 2×8540065610988² (a number of 27 digits) contains 22 as substring.

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, 10557756 + ... + 11337827.

It is an arithmetic number, because the mean of its divisors is an integer number (830309739392).

Almost surely, 2^{8540065610988} is an apocalyptic number.

It is an amenable number.

8540065610988 is an abundant number, since it is smaller than the sum of its proper divisors (11387368134420).

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

8540065610988 is a wasteful number, since it uses less digits than its factorization.

8540065610988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21928093 (or 21928091 counting only the distinct ones).

The product of its (nonzero) digits is 16588800, while the sum is 60.

The spelling of 8540065610988 in words is "eight trillion, five hundred forty billion, sixty-five million, six hundred ten thousand, nine hundred eighty-eight".