3818363840040 has 32 divisors (see below), whose sum is σ = 11455091520480. Its totient is φ = 1018230357312.

The previous prime is 3818363840017. The next prime is 3818363840051. The reversal of 3818363840040 is 400483638183.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15909849214 + ... + 15909849453.

It is an arithmetic number, because the mean of its divisors is an integer number (357971610015).

Almost surely, 2^{3818363840040} is an apocalyptic number.

3818363840040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3818363840040 is an abundant number, since it is smaller than the sum of its proper divisors (7636727680440).

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

3818363840040 is a wasteful number, since it uses less digits than its factorization.

3818363840040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31819698681 (or 31819698677 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 48.

The spelling of 3818363840040 in words is "three trillion, eight hundred eighteen billion, three hundred sixty-three million, eight hundred forty thousand, forty".