404450123042 has 16 divisors (see below), whose sum is σ = 693364316352. Its totient is φ = 173330454960.

The previous prime is 404450123017. The next prime is 404450123047. The reversal of 404450123042 is 240321054404.

It is a junction number, because it is equal to n+sod(n) for n = 404450122996 and 404450123014.

It is not an unprimeable number, because it can be changed into a prime (404450123047) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 49328 + ... + 900740.

It is an arithmetic number, because the mean of its divisors is an integer number (43335269772).

Almost surely, 2^404450123042 is an apocalyptic number.

404450123042 is a deficient number, since it is larger than the sum of its proper divisors (288914193310).

404450123042 is a wasteful number, since it uses less digits than its factorization.

404450123042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885353.

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 404450123042 its reverse (240321054404), we get a palindrome (644771177446).

The spelling of 404450123042 in words is "four hundred four billion, four hundred fifty million, one hundred twenty-three thousand, forty-two".