42199199138 has 16 divisors (see below), whose sum is σ = 64070334720. Its totient is φ = 20842491696.

The previous prime is 42199199137. The next prime is 42199199143. The reversal of 42199199138 is 83199199124.

It is not an unprimeable number, because it can be changed into a prime (42199199137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1658831 + ... + 1684077.

It is an arithmetic number, because the mean of its divisors is an integer number (4004395920).

Almost surely, 2^42199199138 is an apocalyptic number.

42199199138 is a deficient number, since it is larger than the sum of its proper divisors (21871135582).

42199199138 is a wasteful number, since it uses less digits than its factorization.

42199199138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35401.

The product of its digits is 1259712, while the sum is 56.

The spelling of 42199199138 in words is "forty-two billion, one hundred ninety-nine million, one hundred ninety-nine thousand, one hundred thirty-eight".