404044420044 has 48 divisors (see below), whose sum is σ = 956938260096. Its totient is φ = 132657888000.

The previous prime is 404044420027. The next prime is 404044420079. The reversal of 404044420044 is 440024440404.

It is a junction number, because it is equal to n+sod(n) for n = 404044419993 and 404044420020.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10795924 + ... + 10833284.

It is an arithmetic number, because the mean of its divisors is an integer number (19936213752).

Almost surely, 2^404044420044 is an apocalyptic number.

It is an amenable number.

404044420044 is an abundant number, since it is smaller than the sum of its proper divisors (552893840052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404044420044 is a wasteful number, since it uses less digits than its factorization.

404044420044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50886 (or 50884 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 404044420044 its reverse (440024440404), we get a palindrome (844068860448).

The spelling of 404044420044 in words is "four hundred four billion, forty-four million, four hundred twenty thousand, forty-four".