42194041 has 6 divisors (see below), whose sum is σ = 44532042. Its totient is φ = 39972960.

The previous prime is 42194011. The next prime is 42194057. The reversal of 42194041 is 14049124.

42194041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 25351225 + 16842816 = 5035^2 + 4104^2 .

It is a de Polignac number, because none of the positive numbers 2^k-42194041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42193997 and 42194015.

It is not an unprimeable number, because it can be changed into a prime (42194011) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 58080 + ... + 58801.

It is an arithmetic number, because the mean of its divisors is an integer number (7422007).

Almost surely, 2^42194041 is an apocalyptic number.

It is an amenable number.

42194041 is a deficient number, since it is larger than the sum of its proper divisors (2338001).

42194041 is a wasteful number, since it uses less digits than its factorization.

42194041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116919 (or 116900 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 42194041 is about 6495.6940352821. The cubic root of 42194041 is about 348.1371530772.

The spelling of 42194041 in words is "forty-two million, one hundred ninety-four thousand, forty-one".