8540458128 has 40 divisors (see below), whose sum is σ = 24514279200. Its totient is φ = 2846819232.

The previous prime is 8540458127. The next prime is 8540458177. The reversal of 8540458128 is 8218540458.

8540458128 is a `hidden beast` number, since 8 + 5 + 40 + 4 + 581 + 28 = 666.

It is a super-2 number, since 2×8540458128² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8540458127) 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, 9884358 + ... + 9885221.

It is an arithmetic number, because the mean of its divisors is an integer number (612856980).

Almost surely, 2^8540458128 is an apocalyptic number.

It is an amenable number.

8540458128 is an abundant number, since it is smaller than the sum of its proper divisors (15973821072).

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

8540458128 is a wasteful number, since it uses less digits than its factorization.

8540458128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19769596 (or 19769584 counting only the distinct ones).

The product of its (nonzero) digits is 409600, while the sum is 45.

The square root of 8540458128 is about 92414.5991064182. The cubic root of 8540458128 is about 2044.0603903966.

The spelling of 8540458128 in words is "eight billion, five hundred forty million, four hundred fifty-eight thousand, one hundred twenty-eight".