404244042 has 8 divisors (see below), whose sum is σ = 808488096. Its totient is φ = 134748012.

The previous prime is 404244013. The next prime is 404244047. The reversal of 404244042 is 240442404.

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

404244042 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (404244047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33686998 + ... + 33687009.

It is an arithmetic number, because the mean of its divisors is an integer number (101061012).

Almost surely, 2^404244042 is an apocalyptic number.

404244042 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.

404244042 is a wasteful number, since it uses less digits than its factorization.

404244042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67374012.

The product of its (nonzero) digits is 4096, while the sum is 24.

The square root of 404244042 is about 20105.8210973837. The cubic root of 404244042 is about 739.4030015760.

Adding to 404244042 its reverse (240442404), we get a palindrome (644686446).

It can be divided in two parts, 4042 and 44042, that added together give a palindrome (48084).

The spelling of 404244042 in words is "four hundred four million, two hundred forty-four thousand, forty-two".