320225545444 has 48 divisors (see below), whose sum is σ = 689837209600. Its totient is φ = 126992740896.

The previous prime is 320225545421. The next prime is 320225545459. The reversal of 320225545444 is 444545522023.

It is a junction number, because it is equal to n+sod(n) for n = 320225545397 and 320225545406.

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, 6976284 + ... + 7022035.

Almost surely, 2^320225545444 is an apocalyptic number.

It is an amenable number.

320225545444 is an abundant number, since it is smaller than the sum of its proper divisors (369611664156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320225545444 is a wasteful number, since it uses less digits than its factorization.

320225545444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13998392 (or 13998390 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 40.

The spelling of 320225545444 in words is "three hundred twenty billion, two hundred twenty-five million, five hundred forty-five thousand, four hundred forty-four".