199648448 has 56 divisors (see below), whose sum is σ = 414070800. Its totient is φ = 95413248.

The previous prime is 199648429. The next prime is 199648453. The reversal of 199648448 is 844846991.

It is a self number, because there is not a number n which added to its sum of digits gives 199648448.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138998 + ... + 140426.

Almost surely, 2^199648448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 199648448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207035400).

199648448 is an abundant number, since it is smaller than the sum of its proper divisors (214422352).

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

199648448 is a wasteful number, since it uses less digits than its factorization.

199648448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1537 (or 1527 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 53.

The square root of 199648448 is about 14129.7009168630. The cubic root of 199648448 is about 584.4606985873.

The spelling of 199648448 in words is "one hundred ninety-nine million, six hundred forty-eight thousand, four hundred forty-eight".