404044202042 has 32 divisors (see below), whose sum is σ = 687273552000. Its totient is φ = 176606716608.

The previous prime is 404044202033. The next prime is 404044202069. The reversal of 404044202042 is 240202440404.

It is a Harshad number since it is a multiple of its sum of digits (26).

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 in 15 ways as a sum of consecutive naturals, for example, 1322459 + ... + 1599057.

It is an arithmetic number, because the mean of its divisors is an integer number (21477298500).

Almost surely, 2^404044202042 is an apocalyptic number.

404044202042 is a deficient number, since it is larger than the sum of its proper divisors (283229349958).

404044202042 is a wasteful number, since it uses less digits than its factorization.

404044202042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279590.

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 404044202042 its reverse (240202440404), we get a palindrome (644246642446).

The spelling of 404044202042 in words is "four hundred four billion, forty-four million, two hundred two thousand, forty-two".