8540497206 has 12 divisors (see below), whose sum is σ = 18504410652. Its totient is φ = 2846832396.

The previous prime is 8540497201. The next prime is 8540497223. The reversal of 8540497206 is 6027940458.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8540497201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 237236016 + ... + 237236051.

It is an arithmetic number, because the mean of its divisors is an integer number (1542034221).

Almost surely, 2^8540497206 is an apocalyptic number.

8540497206 is an abundant number, since it is smaller than the sum of its proper divisors (9963913446).

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

8540497206 is a wasteful number, since it uses less digits than its factorization.

8540497206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474472075 (or 474472072 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 8540497206 is about 92414.8105338100. The cubic root of 8540497206 is about 2044.0635080151.

The spelling of 8540497206 in words is "eight billion, five hundred forty million, four hundred ninety-seven thousand, two hundred six".