404001103424 has 28 divisors (see below), whose sum is σ = 802057882800. Its totient is φ = 201907778688.

The previous prime is 404001103423. The next prime is 404001103433. The reversal of 404001103424 is 424301100404.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 404001103424.

It is not an unprimeable number, because it can be changed into a prime (404001103421) by changing a digit.

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, 1309034 + ... + 1587945.

Almost surely, 2^404001103424 is an apocalyptic number.

It is an amenable number.

404001103424 is a deficient number, since it is larger than the sum of its proper divisors (398056779376).

404001103424 is a wasteful number, since it uses less digits than its factorization.

404001103424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2899170 (or 2899160 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 404001103424 its reverse (424301100404), we get a palindrome (828302203828).

The spelling of 404001103424 in words is "four hundred four billion, one million, one hundred three thousand, four hundred twenty-four".