2001888688884 has 96 divisors (see below), whose sum is σ = 5367239894016. Its totient is φ = 568880444160.

The previous prime is 2001888688883. The next prime is 2001888688889. The reversal of 2001888688884 is 4888868881002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001888688883) 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 31 ways as a sum of consecutive naturals, for example, 17695419 + ... + 17808189.

It is an arithmetic number, because the mean of its divisors is an integer number (55908748896).

Almost surely, 2^{2001888688884} is an apocalyptic number.

It is an amenable number.

2001888688884 is an abundant number, since it is smaller than the sum of its proper divisors (3365351205132).

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

2001888688884 is a wasteful number, since it uses less digits than its factorization.

2001888688884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113925 (or 113923 counting only the distinct ones).

The product of its (nonzero) digits is 100663296, while the sum is 69.

The spelling of 2001888688884 in words is "two trillion, one billion, eight hundred eighty-eight million, six hundred eighty-eight thousand, eight hundred eighty-four".