42441305 has 8 divisors (see below), whose sum is σ = 51142344. Its totient is φ = 33811200.

The previous prime is 42441277. The next prime is 42441313. The reversal of 42441305 is 50314424.

42441305 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 18156121 + 24285184 = 4261^2 + 4928^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42441305 - 2¹⁸ = 42179161 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 16406 + ... + 18815.

It is an arithmetic number, because the mean of its divisors is an integer number (6392793).

Almost surely, 2^42441305 is an apocalyptic number.

It is an amenable number.

42441305 is a deficient number, since it is larger than the sum of its proper divisors (8701039).

42441305 is a wasteful number, since it uses less digits than its factorization.

42441305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35467.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 42441305 is about 6514.6991488479. The cubic root of 42441305 is about 348.8158759265.

Adding to 42441305 its reverse (50314424), we get a palindrome (92755729).

The spelling of 42441305 in words is "forty-two million, four hundred forty-one thousand, three hundred five".