404008204820 has 48 divisors (see below), whose sum is σ = 925654093056. Its totient is φ = 146894928000.

The previous prime is 404008204799. The next prime is 404008204837. The reversal of 404008204820 is 28402800404.

It is a congruent number.

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, 1864325 + ... + 2069715.

It is an arithmetic number, because the mean of its divisors is an integer number (19284460272).

Almost surely, 2^404008204820 is an apocalyptic number.

It is an amenable number.

404008204820 is an abundant number, since it is smaller than the sum of its proper divisors (521645888236).

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

404008204820 is a wasteful number, since it uses less digits than its factorization.

404008204820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214352 (or 214350 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 32.

The spelling of 404008204820 in words is "four hundred four billion, eight million, two hundred four thousand, eight hundred twenty".