322042181980720 has 40 divisors (see below), whose sum is σ = 751412657047680. Its totient is φ = 128358449748480.

The previous prime is 322042181980663. The next prime is 322042181980747. The reversal of 322042181980720 is 27089181240223.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×322042181980720² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7162837440 + ... + 7162882399.

It is an arithmetic number, because the mean of its divisors is an integer number (18785316426192).

Almost surely, 2^{322042181980720} is an apocalyptic number.

It is an amenable number.

322042181980720 is an abundant number, since it is smaller than the sum of its proper divisors (429370475066960).

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

322042181980720 is a wasteful number, since it uses less digits than its factorization.

322042181980720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14325720133 (or 14325720127 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 49.

The spelling of 322042181980720 in words is "three hundred twenty-two trillion, forty-two billion, one hundred eighty-one million, nine hundred eighty thousand, seven hundred twenty".