404005052 has 48 divisors (see below), whose sum is σ = 792529920. Its totient is φ = 178651200.

The previous prime is 404005033. The next prime is 404005067. The reversal of 404005052 is 250500404.

It is a happy number.

It is a congruent number.

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, 245978 + ... + 247614.

It is an arithmetic number, because the mean of its divisors is an integer number (16511040).

Almost surely, 2^404005052 is an apocalyptic number.

It is an amenable number.

404005052 is a deficient number, since it is larger than the sum of its proper divisors (388524868).

404005052 is a wasteful number, since it uses less digits than its factorization.

404005052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1802 (or 1800 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 404005052 is about 20099.8769150460. The cubic root of 404005052 is about 739.2572606042.

Adding to 404005052 its reverse (250500404), we get a palindrome (654505456).

The spelling of 404005052 in words is "four hundred four million, five thousand, fifty-two".