42243441 has 16 divisors (see below), whose sum is σ = 59504640. Its totient is φ = 26583120.

The previous prime is 42243413. The next prime is 42243497. The reversal of 42243441 is 14434224.

It is a happy number.

It is not a de Polignac number, because 42243441 - 2¹¹ = 42241393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42243041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16536 + ... + 18918.

It is an arithmetic number, because the mean of its divisors is an integer number (3719040).

Almost surely, 2^42243441 is an apocalyptic number.

It is an amenable number.

42243441 is a deficient number, since it is larger than the sum of its proper divisors (17261199).

42243441 is a wasteful number, since it uses less digits than its factorization.

42243441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2716.

The product of its digits is 3072, while the sum is 24.

The square root of 42243441 is about 6499.4954419555. The cubic root of 42243441 is about 348.2729642615.

Adding to 42243441 its reverse (14434224), we get a palindrome (56677665).

The spelling of 42243441 in words is "forty-two million, two hundred forty-three thousand, four hundred forty-one".