42194268 has 18 divisors (see below), whose sum is σ = 106657824. Its totient is φ = 14064744.

The previous prime is 42194237. The next prime is 42194287. The reversal of 42194268 is 86249124.

42194268 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1172063 = 42194268 / (4 + 2 + 1 + 9 + 4 + 2 + 6 + 8).

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 585996 + ... + 586067.

Almost surely, 2^42194268 is an apocalyptic number.

It is an amenable number.

42194268 is an abundant number, since it is smaller than the sum of its proper divisors (64463556).

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

42194268 is a wasteful number, since it uses less digits than its factorization.

42194268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172073 (or 1172068 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 42194268 is about 6495.7115083723. The cubic root of 42194268 is about 348.1377773912.

The spelling of 42194268 in words is "forty-two million, one hundred ninety-four thousand, two hundred sixty-eight".