8540846172 has 96 divisors (see below), whose sum is σ = 23795735040. Its totient is φ = 2639450880.

The previous prime is 8540846141. The next prime is 8540846179. The reversal of 8540846172 is 2716480458.

8540846172 is a `hidden beast` number, since 85 + 40 + 8 + 461 + 72 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8540846179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88297 + ... + 157727.

It is an arithmetic number, because the mean of its divisors is an integer number (247872240).

Almost surely, 2^8540846172 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8540846172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11897867520).

8540846172 is an abundant number, since it is smaller than the sum of its proper divisors (15254888868).

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

8540846172 is a wasteful number, since it uses less digits than its factorization.

8540846172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69528 (or 69520 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The square root of 8540846172 is about 92416.6985560510. The cubic root of 8540846172 is about 2044.0913478834.

The spelling of 8540846172 in words is "eight billion, five hundred forty million, eight hundred forty-six thousand, one hundred seventy-two".