320434444045 has 16 divisors (see below), whose sum is σ = 403060375872. Its totient is φ = 244279002240.

The previous prime is 320434444021. The next prime is 320434444103. The reversal of 320434444045 is 540444434023.

It is not a de Polignac number, because 320434444045 - 2¹⁵ = 320434411277 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320434443995 and 320434444013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18166707 + ... + 18184336.

It is an arithmetic number, because the mean of its divisors is an integer number (25191273492).

Almost surely, 2^320434444045 is an apocalyptic number.

It is an amenable number.

320434444045 is a deficient number, since it is larger than the sum of its proper divisors (82625931827).

320434444045 is a wasteful number, since it uses less digits than its factorization.

320434444045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36351132.

The product of its (nonzero) digits is 368640, while the sum is 37.

Adding to 320434444045 its reverse (540444434023), we get a palindrome (860878878068).

The spelling of 320434444045 in words is "three hundred twenty billion, four hundred thirty-four million, four hundred forty-four thousand, forty-five".