8606005640 has 32 divisors (see below), whose sum is σ = 19382350680. Its totient is φ = 3439053312.

The previous prime is 8606005633. The next prime is 8606005651. The reversal of 8606005640 is 465006068.

It can be written as a sum of positive squares in 4 ways, for example, as 6470271844 + 2135733796 = 80438^2 + 46214^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8606005640.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62819 + ... + 145458.

Almost surely, 2^8606005640 is an apocalyptic number.

It is an amenable number.

8606005640 is an abundant number, since it is smaller than the sum of its proper divisors (10776345040).

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

8606005640 is a wasteful number, since it uses less digits than its factorization.

8606005640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209321 (or 209317 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 8606005640 is about 92768.5595447078. The cubic root of 8606005640 is about 2049.2764164508.

The spelling of 8606005640 in words is "eight billion, six hundred six million, five thousand, six hundred forty".