42454242 has 24 divisors (see below), whose sum is σ = 92108016. Its totient is φ = 14132376.

The previous prime is 42454177. The next prime is 42454267. The reversal of 42454242 is 24245424.

42454242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11 ways as a sum of consecutive naturals, for example, 20373 + ... + 22359.

It is an arithmetic number, because the mean of its divisors is an integer number (3837834).

Almost surely, 2^42454242 is an apocalyptic number.

42454242 is an abundant number, since it is smaller than the sum of its proper divisors (49653774).

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

42454242 is a wasteful number, since it uses less digits than its factorization.

42454242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3182 (or 3179 counting only the distinct ones).

The product of its digits is 10240, while the sum is 27.

The square root of 42454242 is about 6515.6919816701. The cubic root of 42454242 is about 348.8513144579.

Adding to 42454242 its reverse (24245424), we get a palindrome (66699666).

The spelling of 42454242 in words is "forty-two million, four hundred fifty-four thousand, two hundred forty-two".