320056520046445 has 24 divisors (see below), whose sum is σ = 475296106870656. Its totient is φ = 202585225871808.

The previous prime is 320056520046421. The next prime is 320056520046467. The reversal of 320056520046445 is 544640025650023.

It is not a de Polignac number, because 320056520046445 - 2³⁵ = 320022160308077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320056520046395 and 320056520046404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27054644977 + ... + 27054656806.

It is an arithmetic number, because the mean of its divisors is an integer number (19804004452944).

Almost surely, 2^{320056520046445} is an apocalyptic number.

320056520046445 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

320056520046445 is a deficient number, since it is larger than the sum of its proper divisors (155239586824211).

320056520046445 is a wasteful number, since it uses less digits than its factorization.

320056520046445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54109301821 (or 54109301808 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 46.

Adding to 320056520046445 its reverse (544640025650023), we get a palindrome (864696545696468).

The spelling of 320056520046445 in words is "three hundred twenty trillion, fifty-six billion, five hundred twenty million, forty-six thousand, four hundred forty-five".