404440342430 has 64 divisors (see below), whose sum is σ = 742996800000. Its totient is φ = 158480127360.

The previous prime is 404440342403. The next prime is 404440342441. The reversal of 404440342430 is 34243044404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53928821 + ... + 53936319.

It is an arithmetic number, because the mean of its divisors is an integer number (11609325000).

Almost surely, 2^404440342430 is an apocalyptic number.

404440342430 is a deficient number, since it is larger than the sum of its proper divisors (338556457570).

404440342430 is a wasteful number, since it uses less digits than its factorization.

404440342430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8129.

The product of its (nonzero) digits is 73728, while the sum is 32.

Adding to 404440342430 its reverse (34243044404), we get a palindrome (438683386834).

The spelling of 404440342430 in words is "four hundred four billion, four hundred forty million, three hundred forty-two thousand, four hundred thirty".