40842385686 has 12 divisors (see below), whose sum is σ = 88491835692. Its totient is φ = 13614128556.

The previous prime is 40842385667. The next prime is 40842385687. The reversal of 40842385686 is 68658324804.

40842385686 is a `hidden beast` number, since 4 + 0 + 8 + 42 + 38 + 568 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40842385687) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1134510696 + ... + 1134510731.

It is an arithmetic number, because the mean of its divisors is an integer number (7374319641).

Almost surely, 2^40842385686 is an apocalyptic number.

40842385686 is an abundant number, since it is smaller than the sum of its proper divisors (47649450006).

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

40842385686 is a wasteful number, since it uses less digits than its factorization.

40842385686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2269021435 (or 2269021432 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 54.

The spelling of 40842385686 in words is "forty billion, eight hundred forty-two million, three hundred eighty-five thousand, six hundred eighty-six".