199918880484 has 48 divisors (see below), whose sum is σ = 473226586560. Its totient is φ = 65680243200.

The previous prime is 199918880467. The next prime is 199918880501. The reversal of 199918880484 is 484088819991.

It is an interprime number because it is at equal distance from previous prime (199918880467) and next prime (199918880501).

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, 35259 + ... + 633309.

It is an arithmetic number, because the mean of its divisors is an integer number (9858887220).

Almost surely, 2^199918880484 is an apocalyptic number.

It is an amenable number.

199918880484 is an abundant number, since it is smaller than the sum of its proper divisors (273307706076).

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

199918880484 is a wasteful number, since it uses less digits than its factorization.

199918880484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598460 (or 598458 counting only the distinct ones).

The product of its (nonzero) digits is 47775744, while the sum is 69.

The spelling of 199918880484 in words is "one hundred ninety-nine billion, nine hundred eighteen million, eight hundred eighty thousand, four hundred eighty-four".