404799020 has 12 divisors (see below), whose sum is σ = 850077984. Its totient is φ = 161919600.

The previous prime is 404799007. The next prime is 404799037. The reversal of 404799020 is 20997404.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10119956 + ... + 10119995.

It is an arithmetic number, because the mean of its divisors is an integer number (70839832).

Almost surely, 2^404799020 is an apocalyptic number.

It is an amenable number.

404799020 is an abundant number, since it is smaller than the sum of its proper divisors (445278964).

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

404799020 is a wasteful number, since it uses less digits than its factorization.

404799020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20239960 (or 20239958 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 404799020 is about 20119.6177896102. The cubic root of 404799020 is about 739.7412170362.

The spelling of 404799020 in words is "four hundred four million, seven hundred ninety-nine thousand, twenty".