199049926600 has 144 divisors (see below), whose sum is σ = 538594852500. Its totient is φ = 68214504960.

The previous prime is 199049926547. The next prime is 199049926627. The reversal of 199049926600 is 6629940991.

199049926600 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 43812350596 + 155237576004 = 209314^2 + 394002^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 34620526 + ... + 34626274.

Almost surely, 2^199049926600 is an apocalyptic number.

199049926600 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 199049926600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269297426250).

199049926600 is an abundant number, since it is smaller than the sum of its proper divisors (339544925900).

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

199049926600 is a wasteful number, since it uses less digits than its factorization.

199049926600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9312 (or 9296 counting only the distinct ones).

The product of its (nonzero) digits is 1889568, while the sum is 55.

The spelling of 199049926600 in words is "one hundred ninety-nine billion, forty-nine million, nine hundred twenty-six thousand, six hundred".