404242260 has 24 divisors (see below), whose sum is σ = 1131878496. Its totient is φ = 107797920.

The previous prime is 404242259. The next prime is 404242291. The reversal of 404242260 is 62242404.

It is a self number, because there is not a number n which added to its sum of digits gives 404242260.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3368626 + ... + 3368745.

It is an arithmetic number, because the mean of its divisors is an integer number (47161604).

Almost surely, 2^404242260 is an apocalyptic number.

It is an amenable number.

404242260 is an abundant number, since it is smaller than the sum of its proper divisors (727636236).

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

404242260 is a wasteful number, since it uses less digits than its factorization.

404242260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6737383 (or 6737381 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 404242260 is about 20105.7767818107. The cubic root of 404242260 is about 739.4019150886.

Adding to 404242260 its reverse (62242404), we get a palindrome (466484664).

The spelling of 404242260 in words is "four hundred four million, two hundred forty-two thousand, two hundred sixty".