8500833540 has 72 divisors (see below), whose sum is σ = 25795649880. Its totient is φ = 2266028544.

The previous prime is 8500833433. The next prime is 8500833559. The reversal of 8500833540 is 453380058.

8500833540 is a `hidden beast` number, since 8 + 500 + 83 + 35 + 40 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 474107076 + 8026726464 = 21774^2 + 89592^2 .

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 = 8500833495 and 8500833504.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 570262 + ... + 584978.

It is an arithmetic number, because the mean of its divisors is an integer number (358272915).

Almost surely, 2^8500833540 is an apocalyptic number.

It is an amenable number.

8500833540 is an abundant number, since it is smaller than the sum of its proper divisors (17294816340).

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

8500833540 is a wasteful number, since it uses less digits than its factorization.

8500833540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17941 (or 17936 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 8500833540 is about 92199.9649674554. The cubic root of 8500833540 is about 2040.8942590290.

The spelling of 8500833540 in words is "eight billion, five hundred million, eight hundred thirty-three thousand, five hundred forty".