8500906240 has 36 divisors (see below), whose sum is σ = 20362330044. Its totient is φ = 3400361984.

The previous prime is 8500906187. The next prime is 8500906241. The reversal of 8500906240 is 426090058.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5905615104 + 2595291136 = 76848^2 + 50944^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8500906196 and 8500906205.

It is not an unprimeable number, because it can be changed into a prime (8500906241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3319387 + ... + 3321946.

It is an arithmetic number, because the mean of its divisors is an integer number (565620279).

Almost surely, 2^8500906240 is an apocalyptic number.

8500906240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8500906240 is an abundant number, since it is smaller than the sum of its proper divisors (11861423804).

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

8500906240 is an equidigital number, since it uses as much as digits as its factorization.

8500906240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6641354 (or 6641340 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 8500906240 is about 92200.3592183892. The cubic root of 8500906240 is about 2040.9000769914.

Adding to 8500906240 its reverse (426090058), we get a palindrome (8926996298).

The spelling of 8500906240 in words is "eight billion, five hundred million, nine hundred six thousand, two hundred forty".