404342464 has 28 divisors (see below), whose sum is σ = 804076624. Its totient is φ = 201740544.

The previous prime is 404342443. The next prime is 404342483. The reversal of 404342464 is 464243404.

It is a happy 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 3 ways as a sum of consecutive naturals, for example, 24682 + ... + 37654.

Almost surely, 2^404342464 is an apocalyptic number.

It is an amenable number.

404342464 is a deficient number, since it is larger than the sum of its proper divisors (399734160).

404342464 is a wasteful number, since it uses less digits than its factorization.

404342464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13472 (or 13462 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

The square root of 404342464 is about 20108.2685480376. The cubic root of 404342464 is about 739.4630046181.

Adding to 404342464 its reverse (464243404), we get a palindrome (868585868).

The spelling of 404342464 in words is "four hundred four million, three hundred forty-two thousand, four hundred sixty-four".