320121442244 has 6 divisors (see below), whose sum is σ = 560212523934. Its totient is φ = 160060721120.

The previous prime is 320121442243. The next prime is 320121442261. The reversal of 320121442244 is 442244121023.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 300095796100 + 20025646144 = 547810^2 + 141512^2 .

It is not an unprimeable number, because it can be changed into a prime (320121442243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40015180277 + ... + 40015180284.

It is an arithmetic number, because the mean of its divisors is an integer number (93368753989).

Almost surely, 2^320121442244 is an apocalyptic number.

It is an amenable number.

320121442244 is a deficient number, since it is larger than the sum of its proper divisors (240091081690).

320121442244 is a wasteful number, since it uses less digits than its factorization.

320121442244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80030360565 (or 80030360563 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 320121442244 its reverse (442244121023), we get a palindrome (762365563267).

The spelling of 320121442244 in words is "three hundred twenty billion, one hundred twenty-one million, four hundred forty-two thousand, two hundred forty-four".