320261045120446 has 4 divisors (see below), whose sum is σ = 480391567680672. Its totient is φ = 160130522560222.

The previous prime is 320261045120389. The next prime is 320261045120449. The reversal of 320261045120446 is 644021540162023.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 320261045120399 and 320261045120408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320261045120449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80065261280110 + ... + 80065261280113.

It is an arithmetic number, because the mean of its divisors is an integer number (120097891920168).

Almost surely, 2^{320261045120446} is an apocalyptic number.

320261045120446 is a deficient number, since it is larger than the sum of its proper divisors (160130522560226).

320261045120446 is a wasteful number, since it uses less digits than its factorization.

320261045120446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160130522560225.

The product of its (nonzero) digits is 276480, while the sum is 40.

Adding to 320261045120446 its reverse (644021540162023), we get a palindrome (964282585282469).

The spelling of 320261045120446 in words is "three hundred twenty trillion, two hundred sixty-one billion, forty-five million, one hundred twenty thousand, four hundred forty-six".