404000040404 has 24 divisors (see below), whose sum is σ = 763178492160. Its totient is φ = 186554740064.

The previous prime is 404000040373. The next prime is 404000040421. The reversal of 404000040404 is 404040000404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75709484 + ... + 75714819.

It is an arithmetic number, because the mean of its divisors is an integer number (31799103840).

Almost surely, 2^404000040404 is an apocalyptic number.

It is an amenable number.

404000040404 is a deficient number, since it is larger than the sum of its proper divisors (359178451756).

404000040404 is a wasteful number, since it uses less digits than its factorization.

404000040404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151424359 (or 151424357 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 404000040404 its reverse (404040000404), we get a palindrome (808040040808).

The spelling of 404000040404 in words is "four hundred four billion, forty thousand, four hundred four".