404027404 has 24 divisors (see below), whose sum is σ = 772688448. Its totient is φ = 183324240.

The previous prime is 404027341. The next prime is 404027413. The reversal of 404027404 is 404720404.

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 7 ways as a sum of consecutive naturals, for example, 18007 + ... + 33649.

It is an arithmetic number, because the mean of its divisors is an integer number (32195352).

Almost surely, 2^404027404 is an apocalyptic number.

404027404 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

404027404 is a deficient number, since it is larger than the sum of its proper divisors (368661044).

404027404 is a wasteful number, since it uses less digits than its factorization.

404027404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16245 (or 16243 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 25.

The square root of 404027404 is about 20100.4329306610. The cubic root of 404027404 is about 739.2708937452.

Adding to 404027404 its reverse (404720404), we get a palindrome (808747808).

The spelling of 404027404 in words is "four hundred four million, twenty-seven thousand, four hundred four".