199998200004 has 48 divisors (see below), whose sum is σ = 470400000000. Its totient is φ = 66133738656.

The previous prime is 199998199993. The next prime is 199998200023. The reversal of 199998200004 is 400002899991.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 199998200004.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 899997 + ... + 1099995.

It is an arithmetic number, because the mean of its divisors is an integer number (9800000000).

Almost surely, 2^199998200004 is an apocalyptic number.

It is an amenable number.

199998200004 is an abundant number, since it is smaller than the sum of its proper divisors (270401799996).

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

199998200004 is a wasteful number, since it uses less digits than its factorization.

199998200004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200672 (or 200670 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 51.

The spelling of 199998200004 in words is "one hundred ninety-nine billion, nine hundred ninety-eight million, two hundred thousand, four".