42441443 has 12 divisors (see below), whose sum is σ = 46875192. Its totient is φ = 38109120.

The previous prime is 42441403. The next prime is 42441461. The reversal of 42441443 is 34414424.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-42441443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42441403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 125771 + ... + 126107.

It is an arithmetic number, because the mean of its divisors is an integer number (3906266).

Almost surely, 2^42441443 is an apocalyptic number.

42441443 is a deficient number, since it is larger than the sum of its proper divisors (4433749).

42441443 is a wasteful number, since it uses less digits than its factorization.

42441443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562 (or 455 counting only the distinct ones).

The product of its digits is 6144, while the sum is 26.

The square root of 42441443 is about 6514.7097402724. The cubic root of 42441443 is about 348.8162539902.

Adding to 42441443 its reverse (34414424), we get a palindrome (76855867).

The spelling of 42441443 in words is "forty-two million, four hundred forty-one thousand, four hundred forty-three".