40163631871836 has 36 divisors (see below), whose sum is σ = 103009204611656. Its totient is φ = 12170797536480.

The previous prime is 40163631871823. The next prime is 40163631871841. The reversal of 40163631871836 is 63817813636104.

It is a happy number.

It is a super-2 number, since 2×40163631871836² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13830450295 + ... + 13830453198.

Almost surely, 2^{40163631871836} is an apocalyptic number.

It is an amenable number.

40163631871836 is an abundant number, since it is smaller than the sum of its proper divisors (62845572739820).

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

40163631871836 is a wasteful number, since it uses less digits than its factorization.

40163631871836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27660903522 (or 27660903509 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 57.

The spelling of 40163631871836 in words is "forty trillion, one hundred sixty-three billion, six hundred thirty-one million, eight hundred seventy-one thousand, eight hundred thirty-six".