2000018199942 has 192 divisors, whose sum is σ = 5211167270400. Its totient is φ = 566906558400.

The previous prime is 2000018199941. The next prime is 2000018200049. The reversal of 2000018199942 is 2499918100002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000018199941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 352796284 + ... + 352801952.

It is an arithmetic number, because the mean of its divisors is an integer number (27141496200).

Almost surely, 2^{2000018199942} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2000018199942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2605583635200).

2000018199942 is an abundant number, since it is smaller than the sum of its proper divisors (3211149070458).

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

2000018199942 is a wasteful number, since it uses less digits than its factorization.

2000018199942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6728 (or 6715 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The spelling of 2000018199942 in words is "two trillion, eighteen million, one hundred ninety-nine thousand, nine hundred forty-two".