40842468668 has 6 divisors (see below), whose sum is σ = 71474320176. Its totient is φ = 20421234332.

The previous prime is 40842468637. The next prime is 40842468671. The reversal of 40842468668 is 86686424804.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5105308580 + ... + 5105308587.

It is an arithmetic number, because the mean of its divisors is an integer number (11912386696).

Almost surely, 2^40842468668 is an apocalyptic number.

It is an amenable number.

40842468668 is a deficient number, since it is larger than the sum of its proper divisors (30631851508).

40842468668 is a wasteful number, since it uses less digits than its factorization.

40842468668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10210617171 (or 10210617169 counting only the distinct ones).

The product of its (nonzero) digits is 14155776, while the sum is 56.

The spelling of 40842468668 in words is "forty billion, eight hundred forty-two million, four hundred sixty-eight thousand, six hundred sixty-eight".