40163884331812 has 12 divisors (see below), whose sum is σ = 70426532768256. Its totient is φ = 20042017826600.

The previous prime is 40163884331797. The next prime is 40163884331819. The reversal of 40163884331812 is 21813348836104.

It is a super-2 number, since 2×40163884331812² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40163884331812.

It is not an unprimeable number, because it can be changed into a prime (40163884331819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9981082564 + ... + 9981086587.

It is an arithmetic number, because the mean of its divisors is an integer number (5868877730688).

Almost surely, 2^{40163884331812} is an apocalyptic number.

It is an amenable number.

40163884331812 is a deficient number, since it is larger than the sum of its proper divisors (30262648436444).

40163884331812 is a wasteful number, since it uses less digits than its factorization.

40163884331812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19962169658 (or 19962169656 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 52.

The spelling of 40163884331812 in words is "forty trillion, one hundred sixty-three billion, eight hundred eighty-four million, three hundred thirty-one thousand, eight hundred twelve".