404232411442 has 4 divisors (see below), whose sum is σ = 606348617166. Its totient is φ = 202116205720.

The previous prime is 404232411419. The next prime is 404232411547. The reversal of 404232411442 is 244114232404.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 404141189841 + 91221601 = 635721^2 + 9551^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101058102859 + ... + 101058102862.

Almost surely, 2^404232411442 is an apocalyptic number.

404232411442 is a deficient number, since it is larger than the sum of its proper divisors (202116205724).

404232411442 is a wasteful number, since it uses less digits than its factorization.

404232411442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202116205723.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 404232411442 its reverse (244114232404), we get a palindrome (648346643846).

The spelling of 404232411442 in words is "four hundred four billion, two hundred thirty-two million, four hundred eleven thousand, four hundred forty-two".