404024222444 has 48 divisors (see below), whose sum is σ = 765722160000. Its totient is φ = 185801256960.

The previous prime is 404024222411. The next prime is 404024222447. The reversal of 404024222444 is 444222420404.

It is a self number, because there is not a number n which added to its sum of digits gives 404024222444.

It is not an unprimeable number, because it can be changed into a prime (404024222447) 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 15 ways as a sum of consecutive naturals, for example, 2016932 + ... + 2208180.

It is an arithmetic number, because the mean of its divisors is an integer number (15952545000).

Almost surely, 2^404024222444 is an apocalyptic number.

It is an amenable number.

404024222444 is a deficient number, since it is larger than the sum of its proper divisors (361697937556).

404024222444 is a wasteful number, since it uses less digits than its factorization.

404024222444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191978 (or 191976 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 404024222444 its reverse (444222420404), we get a palindrome (848246642848).

The spelling of 404024222444 in words is "four hundred four billion, twenty-four million, two hundred twenty-two thousand, four hundred forty-four".