404214042 has 8 divisors (see below), whose sum is σ = 808428096. Its totient is φ = 134738012.

The previous prime is 404214023. The next prime is 404214071. The reversal of 404214042 is 240412404.

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

404214042 is an admirable 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, 33684498 + ... + 33684509.

It is an arithmetic number, because the mean of its divisors is an integer number (101053512).

Almost surely, 2^404214042 is an apocalyptic number.

404214042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404214042 is a wasteful number, since it uses less digits than its factorization.

404214042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67369012.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 404214042 is about 20105.0750309468. The cubic root of 404214042 is about 739.3847101179.

Adding to 404214042 its reverse (240412404), we get a palindrome (644626446).

The spelling of 404214042 in words is "four hundred four million, two hundred fourteen thousand, forty-two".