321042444044020 has 12 divisors (see below), whose sum is σ = 674189132492484. Its totient is φ = 128416977617600.

The previous prime is 321042444043991. The next prime is 321042444044041. The reversal of 321042444044020 is 20440444240123.

It can be written as a sum of positive squares in 2 ways, for example, as 96724785935376 + 224317658108644 = 9834876^2 + 14977238^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8026061101081 + ... + 8026061101120.

It is an arithmetic number, because the mean of its divisors is an integer number (56182427707707).

Almost surely, 2^{321042444044020} is an apocalyptic number.

It is an amenable number.

321042444044020 is an abundant number, since it is smaller than the sum of its proper divisors (353146688448464).

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

321042444044020 is a wasteful number, since it uses less digits than its factorization.

321042444044020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16052122202210 (or 16052122202208 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 34.

Adding to 321042444044020 its reverse (20440444240123), we get a palindrome (341482888284143).

The spelling of 321042444044020 in words is "three hundred twenty-one trillion, forty-two billion, four hundred forty-four million, forty-four thousand, twenty".