199329042 has 32 divisors (see below), whose sum is σ = 436334400. Its totient is φ = 60203520.

The previous prime is 199329041. The next prime is 199329047. The reversal of 199329042 is 240923991.

It is not an unprimeable number, because it can be changed into a prime (199329041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15834 + ... + 25482.

It is an arithmetic number, because the mean of its divisors is an integer number (13635450).

Almost surely, 2^199329042 is an apocalyptic number.

199329042 is an abundant number, since it is smaller than the sum of its proper divisors (237005358).

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

199329042 is a wasteful number, since it uses less digits than its factorization.

199329042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9978.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 199329042 is about 14118.3937471654. The cubic root of 199329042 is about 584.1488506076.

The spelling of 199329042 in words is "one hundred ninety-nine million, three hundred twenty-nine thousand, forty-two".