42440035 has 8 divisors (see below), whose sum is σ = 55557936. Its totient is φ = 30865440.

The previous prime is 42440029. The next prime is 42440039. The reversal of 42440035 is 53004424.

It is a happy number.

42440035 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 42440035 - 2¹¹ = 42437987 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42439988 and 42440015.

It is not an unprimeable number, because it can be changed into a prime (42440039) 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 7 ways as a sum of consecutive naturals, for example, 385764 + ... + 385873.

It is an arithmetic number, because the mean of its divisors is an integer number (6944742).

Almost surely, 2^42440035 is an apocalyptic number.

42440035 is a deficient number, since it is larger than the sum of its proper divisors (13117901).

42440035 is a wasteful number, since it uses less digits than its factorization.

42440035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771653.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 42440035 is about 6514.6016762347. The cubic root of 42440035 is about 348.8123966070.

Adding to 42440035 its reverse (53004424), we get a palindrome (95444459).

The spelling of 42440035 in words is "forty-two million, four hundred forty thousand, thirty-five".