199941042 has 32 divisors (see below), whose sum is σ = 464505984. Its totient is φ = 56188800.

The previous prime is 199941019. The next prime is 199941073. The reversal of 199941042 is 240149991.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36459 + ... + 41582.

It is an arithmetic number, because the mean of its divisors is an integer number (14515812).

Almost surely, 2^199941042 is an apocalyptic number.

199941042 is an abundant number, since it is smaller than the sum of its proper divisors (264564942).

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

199941042 is a wasteful number, since it uses less digits than its factorization.

199941042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78114.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 199941042 is about 14140.0509900071. The cubic root of 199941042 is about 584.7460772490.

The spelling of 199941042 in words is "one hundred ninety-nine million, nine hundred forty-one thousand, forty-two".