8513040172 has 48 divisors (see below), whose sum is σ = 18385229632. Its totient is φ = 3358713600.

The previous prime is 8513040157. The next prime is 8513040191. The reversal of 8513040172 is 2710403158.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104422 + ... + 167122.

Almost surely, 2^8513040172 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 8513040172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9192614816).

8513040172 is an abundant number, since it is smaller than the sum of its proper divisors (9872189460).

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

8513040172 is a wasteful number, since it uses less digits than its factorization.

8513040172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63098 (or 63096 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 8513040172 is about 92266.1377321062. The cubic root of 8513040172 is about 2041.8706546712.

The spelling of 8513040172 in words is "eight billion, five hundred thirteen million, forty thousand, one hundred seventy-two".