42404194 has 8 divisors (see below), whose sum is σ = 72692928. Its totient is φ = 18173220.

The previous prime is 42404189. The next prime is 42404227. The reversal of 42404194 is 49140424.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 1514422 + ... + 1514449.

It is an arithmetic number, because the mean of its divisors is an integer number (9086616).

Almost surely, 2^42404194 is an apocalyptic number.

42404194 is a deficient number, since it is larger than the sum of its proper divisors (30288734).

42404194 is a wasteful number, since it uses less digits than its factorization.

42404194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3028880.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 42404194 is about 6511.8502746915. The cubic root of 42404194 is about 348.7141771935.

The spelling of 42404194 in words is "forty-two million, four hundred four thousand, one hundred ninety-four".