404050042 has 8 divisors (see below), whose sum is σ = 661172832. Its totient is φ = 183659100.

The previous prime is 404050013. The next prime is 404050051. The reversal of 404050042 is 240050404.

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, 9182934 + ... + 9182977.

It is an arithmetic number, because the mean of its divisors is an integer number (82646604).

Almost surely, 2^404050042 is an apocalyptic number.

404050042 is a deficient number, since it is larger than the sum of its proper divisors (257122790).

404050042 is a wasteful number, since it uses less digits than its factorization.

404050042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18365924.

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 404050042 is about 20100.9960449725. The cubic root of 404050042 is about 739.2847008135.

The spelling of 404050042 in words is "four hundred four million, fifty thousand, forty-two".