404244142 has 8 divisors (see below), whose sum is σ = 609086016. Its totient is φ = 201215472.

The previous prime is 404244121. The next prime is 404244151. The reversal of 404244142 is 241442404.

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

It is a congruent number.

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, 452743 + ... + 453634.

It is an arithmetic number, because the mean of its divisors is an integer number (76135752).

Almost surely, 2^404244142 is an apocalyptic number.

404244142 is a deficient number, since it is larger than the sum of its proper divisors (204841874).

404244142 is a wasteful number, since it uses less digits than its factorization.

404244142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906602.

The product of its (nonzero) digits is 4096, while the sum is 25.

The square root of 404244142 is about 20105.8235842255. The cubic root of 404244142 is about 739.4030625460.

Adding to 404244142 its reverse (241442404), we get a palindrome (645686546).

It can be divided in two parts, 4042 and 44142, that added together give a palindrome (48184).

The spelling of 404244142 in words is "four hundred four million, two hundred forty-four thousand, one hundred forty-two".