404000404044 has 12 divisors (see below), whose sum is σ = 942667609464. Its totient is φ = 134666801344.

The previous prime is 404000403991. The next prime is 404000404079. The reversal of 404000404044 is 440404000404.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 16833350157 + ... + 16833350180.

It is an arithmetic number, because the mean of its divisors is an integer number (78555634122).

Almost surely, 2^404000404044 is an apocalyptic number.

It is an amenable number.

404000404044 is an abundant number, since it is smaller than the sum of its proper divisors (538667205420).

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

404000404044 is a wasteful number, since it uses less digits than its factorization.

404000404044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33666700344 (or 33666700342 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 404000404044 its reverse (440404000404), we get a palindrome (844404404448).

The spelling of 404000404044 in words is "four hundred four billion, four hundred four thousand, forty-four".