320104442 has 16 divisors (see below), whose sum is σ = 553787520. Its totient is φ = 135928368.

The previous prime is 320104439. The next prime is 320104459. The reversal of 320104442 is 244401023.

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, 103358 + ... + 106409.

It is an arithmetic number, because the mean of its divisors is an integer number (34611720).

Almost surely, 2^320104442 is an apocalyptic number.

320104442 is a deficient number, since it is larger than the sum of its proper divisors (233683078).

320104442 is a wasteful number, since it uses less digits than its factorization.

320104442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209885.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 320104442 is about 17891.4628244870. The cubic root of 320104442 is about 684.0647844546.

Adding to 320104442 its reverse (244401023), we get a palindrome (564505465).

The spelling of 320104442 in words is "three hundred twenty million, one hundred four thousand, four hundred forty-two".