404008405328 has 40 divisors (see below), whose sum is σ = 855899135616. Its totient is φ = 183216038400.

The previous prime is 404008405327. The next prime is 404008405349. The reversal of 404008405328 is 823504800404.

It is a junction number, because it is equal to n+sod(n) for n = 404008405291 and 404008405300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404008405327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2574488 + ... + 2726903.

Almost surely, 2^404008405328 is an apocalyptic number.

It is an amenable number.

404008405328 is an abundant number, since it is smaller than the sum of its proper divisors (451890730288).

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

404008405328 is a wasteful number, since it uses less digits than its factorization.

404008405328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5301843 (or 5301837 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 38.

The spelling of 404008405328 in words is "four hundred four billion, eight million, four hundred five thousand, three hundred twenty-eight".