404440422044 has 12 divisors (see below), whose sum is σ = 708324992424. Its totient is φ = 202061852784.

The previous prime is 404440422007. The next prime is 404440422047. The reversal of 404440422044 is 440224044404.

It is a super-2 number, since 2×404440422044² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 404440422044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404440422047) 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 3 ways as a sum of consecutive naturals, for example, 39583814 + ... + 39594029.

It is an arithmetic number, because the mean of its divisors is an integer number (59027082702).

Almost surely, 2^404440422044 is an apocalyptic number.

It is an amenable number.

404440422044 is a deficient number, since it is larger than the sum of its proper divisors (303884570380).

404440422044 is a wasteful number, since it uses less digits than its factorization.

404440422044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79179124 (or 79179122 counting only the distinct ones).

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

Adding to 404440422044 its reverse (440224044404), we get a palindrome (844664466448).

The spelling of 404440422044 in words is "four hundred four billion, four hundred forty million, four hundred twenty-two thousand, forty-four".