404311342 has 16 divisors (see below), whose sum is σ = 636636672. Its totient is φ = 192204760.

The previous prime is 404311339. The next prime is 404311363. The reversal of 404311342 is 243113404.

It is a super-2 number, since 2×404311342² = 326935322539681928, which contains 22 as substring.

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, 18634 + ... + 33997.

It is an arithmetic number, because the mean of its divisors is an integer number (39789792).

Almost surely, 2^404311342 is an apocalyptic number.

404311342 is a deficient number, since it is larger than the sum of its proper divisors (232325330).

404311342 is a wasteful number, since it uses less digits than its factorization.

404311342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52823.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 404311342 is about 20107.4946723852. The cubic root of 404311342 is about 739.4440321215. Note that the first 3 decimals are identical.

Adding to 404311342 its reverse (243113404), we get a palindrome (647424746).

The spelling of 404311342 in words is "four hundred four million, three hundred eleven thousand, three hundred forty-two".