199240770 has 16 divisors (see below), whose sum is σ = 478177920. Its totient is φ = 53130864.

The previous prime is 199240747. The next prime is 199240777. The reversal of 199240770 is 77042991.

It is not an unprimeable number, because it can be changed into a prime (199240777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3320650 + ... + 3320709.

It is an arithmetic number, because the mean of its divisors is an integer number (29886120).

Almost surely, 2^199240770 is an apocalyptic number.

199240770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

199240770 is an abundant number, since it is smaller than the sum of its proper divisors (278937150).

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

199240770 is a wasteful number, since it uses less digits than its factorization.

199240770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6641369.

The product of its (nonzero) digits is 31752, while the sum is 39.

The square root of 199240770 is about 14115.2672663326. The cubic root of 199240770 is about 584.0626086158.

The spelling of 199240770 in words is "one hundred ninety-nine million, two hundred forty thousand, seven hundred seventy".