42905404 has 6 divisors (see below), whose sum is σ = 75084464. Its totient is φ = 21452700.

The previous prime is 42905389. The next prime is 42905411. The reversal of 42905404 is 40450924.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5363172 + ... + 5363179.

Almost surely, 2^42905404 is an apocalyptic number.

It is an amenable number.

42905404 is a deficient number, since it is larger than the sum of its proper divisors (32179060).

42905404 is a wasteful number, since it uses less digits than its factorization.

42905404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10726355 (or 10726353 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 42905404 is about 6550.2216756382. The cubic root of 42905404 is about 350.0827124245.

The spelling of 42905404 in words is "forty-two million, nine hundred five thousand, four hundred four".