199022028780 has 48 divisors (see below), whose sum is σ = 586591246080. Its totient is φ = 50279249088.

The previous prime is 199022028769. The next prime is 199022028781. The reversal of 199022028780 is 87820220991.

It is not an unprimeable number, because it can be changed into a prime (199022028781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87289224 + ... + 87291503.

It is an arithmetic number, because the mean of its divisors is an integer number (12220650960).

Almost surely, 2^199022028780 is an apocalyptic number.

199022028780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

199022028780 is an abundant number, since it is smaller than the sum of its proper divisors (387569217300).

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

199022028780 is a wasteful number, since it uses less digits than its factorization.

199022028780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174580758 (or 174580756 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 48.

The spelling of 199022028780 in words is "one hundred ninety-nine billion, twenty-two million, twenty-eight thousand, seven hundred eighty".