42441442 has 16 divisors (see below), whose sum is σ = 67640760. Its totient is φ = 19934208.

The previous prime is 42441403. The next prime is 42441461. The reversal of 42441442 is 24414424.

42441442 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 4 ways, for example, as 41229241 + 1212201 = 6421^2 + 1101^2 .

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, 7743 + ... + 12034.

Almost surely, 2^42441442 is an apocalyptic number.

42441442 is a deficient number, since it is larger than the sum of its proper divisors (25199318).

42441442 is a wasteful number, since it uses less digits than its factorization.

42441442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19845.

The product of its digits is 4096, while the sum is 25.

The square root of 42441442 is about 6514.7096635230. The cubic root of 42441442 is about 348.8162512506.

Adding to 42441442 its reverse (24414424), we get a palindrome (66855866).

The spelling of 42441442 in words is "forty-two million, four hundred forty-one thousand, four hundred forty-two".