320042444444 has 12 divisors (see below), whose sum is σ = 560078538600. Its totient is φ = 160020004848.

The previous prime is 320042444429. The next prime is 320042444461. The reversal of 320042444444 is 444444240023.

It is a happy number.

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 3 ways as a sum of consecutive naturals, for example, 559787 + ... + 976445.

It is an arithmetic number, because the mean of its divisors is an integer number (46673211550).

Almost surely, 2^320042444444 is an apocalyptic number.

It is an amenable number.

320042444444 is a deficient number, since it is larger than the sum of its proper divisors (240036094156).

320042444444 is a wasteful number, since it uses less digits than its factorization.

320042444444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608692 (or 608690 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 35.

Adding to 320042444444 its reverse (444444240023), we get a palindrome (764486684467).

The spelling of 320042444444 in words is "three hundred twenty billion, forty-two million, four hundred forty-four thousand, four hundred forty-four".