199948806720 has 224 divisors, whose sum is σ = 759634995840. Its totient is φ = 49218140160.

The previous prime is 199948806703. The next prime is 199948806749. The reversal of 199948806720 is 27608849991.

199948806720 is a `hidden beast` number, since 1 + 9 + 99 + 488 + 0 + 67 + 2 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 777766 + ... + 1002405.

It is an arithmetic number, because the mean of its divisors is an integer number (3391227660).

Almost surely, 2^199948806720 is an apocalyptic number.

199948806720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

199948806720 is an abundant number, since it is smaller than the sum of its proper divisors (559686189120).

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

199948806720 is a wasteful number, since it uses less digits than its factorization.

199948806720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1780210 (or 1780194 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 63.

The spelling of 199948806720 in words is "one hundred ninety-nine billion, nine hundred forty-eight million, eight hundred six thousand, seven hundred twenty".