8540172270 has 72 divisors (see below), whose sum is σ = 25829677224. Its totient is φ = 1952038368.

The previous prime is 8540172257. The next prime is 8540172281. The reversal of 8540172270 is 722710458.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 963864 + ... + 972683.

It is an arithmetic number, because the mean of its divisors is an integer number (358745517).

Almost surely, 2^8540172270 is an apocalyptic number.

8540172270 is an abundant number, since it is smaller than the sum of its proper divisors (17289504954).

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

8540172270 is a wasteful number, since it uses less digits than its factorization.

8540172270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1936574 (or 1936564 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 8540172270 is about 92413.0524871893. The cubic root of 8540172270 is about 2044.0375845344.

The spelling of 8540172270 in words is "eight billion, five hundred forty million, one hundred seventy-two thousand, two hundred seventy".