42305404 has 12 divisors (see below), whose sum is σ = 74199664. Its totient is φ = 21105504.

The previous prime is 42305383. The next prime is 42305423. The reversal of 42305404 is 40450324.

It is a happy number.

42305404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 9744 + ... + 13399.

Almost surely, 2^42305404 is an apocalyptic number.

It is an amenable number.

42305404 is a deficient number, since it is larger than the sum of its proper divisors (31894260).

42305404 is a wasteful number, since it uses less digits than its factorization.

42305404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23604 (or 23602 counting only the distinct ones).

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

The square root of 42305404 is about 6504.2604498897. The cubic root of 42305404 is about 348.4431642145.

Adding to 42305404 its reverse (40450324), we get a palindrome (82755728).

The spelling of 42305404 in words is "forty-two million, three hundred five thousand, four hundred four".