40112085636 has 36 divisors (see below), whose sum is σ = 115879359232. Its totient is φ = 11460595824.

The previous prime is 40112085623. The next prime is 40112085647. The reversal of 40112085636 is 63658021104.

It is a happy number.

40112085636 is a `hidden beast` number, since 4 + 0 + 1 + 12 + 0 + 8 + 5 + 636 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 40112085636.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 79587220 + ... + 79587723.

Almost surely, 2^40112085636 is an apocalyptic number.

It is an amenable number.

40112085636 is an abundant number, since it is smaller than the sum of its proper divisors (75767273596).

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

40112085636 is a wasteful number, since it uses less digits than its factorization.

40112085636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159174960 (or 159174955 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 40112085636 in words is "forty billion, one hundred twelve million, eighty-five thousand, six hundred thirty-six".