2018563840040 has 32 divisors (see below), whose sum is σ = 4954656699360. Its totient is φ = 734023214400.

The previous prime is 2018563840009. The next prime is 2018563840061. The reversal of 2018563840040 is 400483658102.

It is a self number, because there is not a number n which added to its sum of digits gives 2018563840040.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2293822106 + ... + 2293822985.

It is an arithmetic number, because the mean of its divisors is an integer number (154833021855).

Almost surely, 2^{2018563840040} is an apocalyptic number.

2018563840040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2018563840040 is an abundant number, since it is smaller than the sum of its proper divisors (2936092859320).

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

2018563840040 is a wasteful number, since it uses less digits than its factorization.

2018563840040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4587645113 (or 4587645109 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 41.

The spelling of 2018563840040 in words is "two trillion, eighteen billion, five hundred sixty-three million, eight hundred forty thousand, forty".