404243052 has 24 divisors (see below), whose sum is σ = 963303936. Its totient is φ = 131880528.

The previous prime is 404243041. The next prime is 404243083. The reversal of 404243052 is 250342404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 357808 + ... + 358935.

It is an arithmetic number, because the mean of its divisors is an integer number (40137664).

Almost surely, 2^404243052 is an apocalyptic number.

It is an amenable number.

404243052 is an abundant number, since it is smaller than the sum of its proper divisors (559060884).

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

404243052 is a wasteful number, since it uses less digits than its factorization.

404243052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716797 (or 716795 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 404243052 is about 20105.7964776330. The cubic root of 404243052 is about 739.4023979723.

Adding to 404243052 its reverse (250342404), we get a palindrome (654585456).

The spelling of 404243052 in words is "four hundred four million, two hundred forty-three thousand, fifty-two".