199799300857520 has 320 divisors, whose sum is σ = 596854962837504. Its totient is φ = 60457191505920.

The previous prime is 199799300857517. The next prime is 199799300857579. The reversal of 199799300857520 is 25758003997991.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 380328635 + ... + 380853605.

Almost surely, 2^{199799300857520} is an apocalyptic number.

199799300857520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 199799300857520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298427481418752).

199799300857520 is an abundant number, since it is smaller than the sum of its proper divisors (397055661979984).

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

199799300857520 is a wasteful number, since it uses less digits than its factorization.

199799300857520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527300 (or 527294 counting only the distinct ones).

The product of its (nonzero) digits is 385786800, while the sum is 74.

The spelling of 199799300857520 in words is "one hundred ninety-nine trillion, seven hundred ninety-nine billion, three hundred million, eight hundred fifty-seven thousand, five hundred twenty".