42443404 has 12 divisors (see below), whose sum is σ = 74337424. Its totient is φ = 21204144.

The previous prime is 42443393. The next prime is 42443411. The reversal of 42443404 is 40434424.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2122 + ... + 9454.

Almost surely, 2^42443404 is an apocalyptic number.

It is an amenable number.

42443404 is a deficient number, since it is larger than the sum of its proper divisors (31894020).

42443404 is a wasteful number, since it uses less digits than its factorization.

42443404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8784 (or 8782 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 42443404 is about 6514.8602440881. The cubic root of 42443404 is about 348.8216262403.

Adding to 42443404 its reverse (40434424), we get a palindrome (82877828).

The spelling of 42443404 in words is "forty-two million, four hundred forty-three thousand, four hundred four".