404014020 has 48 divisors (see below), whose sum is σ = 1148134848. Its totient is φ = 106128000.

The previous prime is 404014019. The next prime is 404014033. The reversal of 404014020 is 20410404.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46231 + ... + 54270.

It is an arithmetic number, because the mean of its divisors is an integer number (23919476).

Almost surely, 2^404014020 is an apocalyptic number.

It is an amenable number.

404014020 is an abundant number, since it is smaller than the sum of its proper divisors (744120828).

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

404014020 is a wasteful number, since it uses less digits than its factorization.

404014020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100580 (or 100578 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 404014020 is about 20100.0999997512. The cubic root of 404014020 is about 739.2627305111.

Adding to 404014020 its reverse (20410404), we get a palindrome (424424424).

The spelling of 404014020 in words is "four hundred four million, fourteen thousand, twenty".