404341442042 has 4 divisors (see below), whose sum is σ = 606512163066. Its totient is φ = 202170721020.

The previous prime is 404341442023. The next prime is 404341442069. The reversal of 404341442042 is 240244143404.

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., 268024679521 + 136316762521 = 517711^2 + 369211^2 .

It is a super-3 number, since 3×404341442042³ (a number of 36 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101085360509 + ... + 101085360512.

Almost surely, 2^404341442042 is an apocalyptic number.

404341442042 is a deficient number, since it is larger than the sum of its proper divisors (202170721024).

404341442042 is a wasteful number, since it uses less digits than its factorization.

404341442042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202170721023.

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 404341442042 its reverse (240244143404), we get a palindrome (644585585446).

The spelling of 404341442042 in words is "four hundred four billion, three hundred forty-one million, four hundred forty-two thousand, forty-two".