42605404 has 12 divisors (see below), whose sum is σ = 75035464. Its totient is φ = 21166704.

The previous prime is 42605393. The next prime is 42605413. The reversal of 42605404 is 40450624.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33294 + ... + 34549.

Almost surely, 2^42605404 is an apocalyptic number.

It is an amenable number.

42605404 is a deficient number, since it is larger than the sum of its proper divisors (32430060).

42605404 is a wasteful number, since it uses less digits than its factorization.

42605404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68004 (or 68002 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 42605404 is about 6527.2815168338. The cubic root of 42605404 is about 349.2648624455.

The spelling of 42605404 in words is "forty-two million, six hundred five thousand, four hundred four".