8523060840 has 768 divisors, whose sum is σ = 35649331200. Its totient is φ = 1772900352.

The previous prime is 8523060809. The next prime is 8523060883. The reversal of 8523060840 is 480603258.

8523060840 is a `hidden beast` number, since 8 + 5 + 2 + 3 + 0 + 608 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 8523060795 and 8523060804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 102687439 + ... + 102687521.

It is an arithmetic number, because the mean of its divisors is an integer number (46418400).

Almost surely, 2^8523060840 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 8523060840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17824665600).

8523060840 is an abundant number, since it is smaller than the sum of its proper divisors (27126270360).

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

8523060840 is a wasteful number, since it uses less digits than its factorization.

8523060840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 8523060840 is about 92320.4248257123. The cubic root of 8523060840 is about 2042.6714999865.

It can be divided in two parts, 85230 and 60840, that added together give a triangular number (146070 = T₅₄₀).

The spelling of 8523060840 in words is "eight billion, five hundred twenty-three million, sixty thousand, eight hundred forty".