42940194 has 16 divisors (see below), whose sum is σ = 93687840. Its totient is φ = 13012160.

The previous prime is 42940169. The next prime is 42940237. The reversal of 42940194 is 49104924.

42940194 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 325239 + ... + 325370.

It is an arithmetic number, because the mean of its divisors is an integer number (5855490).

Almost surely, 2^42940194 is an apocalyptic number.

42940194 is an abundant number, since it is smaller than the sum of its proper divisors (50747646).

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

42940194 is a wasteful number, since it uses less digits than its factorization.

42940194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650625.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 42940194 is about 6552.8767728380. The cubic root of 42940194 is about 350.1773088003.

It can be divided in two parts, 42940 and 194, that added together give a palindrome (43134).

The spelling of 42940194 in words is "forty-two million, nine hundred forty thousand, one hundred ninety-four".