198863044050 has 48 divisors (see below), whose sum is σ = 538014930912. Its totient is φ = 48209222400.

The previous prime is 198863043997. The next prime is 198863044087. The reversal of 198863044050 is 50440368891.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60259879 + ... + 60263178.

It is an arithmetic number, because the mean of its divisors is an integer number (11208644394).

Almost surely, 2^198863044050 is an apocalyptic number.

198863044050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

198863044050 is an abundant number, since it is smaller than the sum of its proper divisors (339151886862).

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

198863044050 is a wasteful number, since it uses less digits than its factorization.

198863044050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120523083 (or 120523078 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 48.

The spelling of 198863044050 in words is "one hundred ninety-eight billion, eight hundred sixty-three million, forty-four thousand, fifty".