40008682 has 8 divisors (see below), whose sum is σ = 68586336. Its totient is φ = 17146572.

The previous prime is 40008679. The next prime is 40008697. The reversal of 40008682 is 28680004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 40008682.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1428868 + ... + 1428895.

It is an arithmetic number, because the mean of its divisors is an integer number (8573292).

Almost surely, 2^40008682 is an apocalyptic number.

40008682 is a deficient number, since it is larger than the sum of its proper divisors (28577654).

40008682 is a wasteful number, since it uses less digits than its factorization.

40008682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2857772.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 40008682 is about 6325.2416554627. The cubic root of 40008682 is about 342.0199308973.

Adding to 40008682 its reverse (28680004), we get a palindrome (68688686).

The spelling of 40008682 in words is "forty million, eight thousand, six hundred eighty-two".