321440141420224 has 28 divisors (see below), whose sum is σ = 637863583700304. Its totient is φ = 160718608519424.

The previous prime is 321440141420213. The next prime is 321440141420227. The reversal of 321440141420224 is 422024141044123.

It is a self number, because there is not a number n which added to its sum of digits gives 321440141420224.

It is not an unprimeable number, because it can be changed into a prime (321440141420227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15739927 + ... + 29843350.

Almost surely, 2^{321440141420224} is an apocalyptic number.

It is an amenable number.

321440141420224 is a deficient number, since it is larger than the sum of its proper divisors (316423442280080).

321440141420224 is a wasteful number, since it uses less digits than its factorization.

321440141420224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45693472 (or 45693462 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 34.

Adding to 321440141420224 its reverse (422024141044123), we get a palindrome (743464282464347).

The spelling of 321440141420224 in words is "three hundred twenty-one trillion, four hundred forty billion, one hundred forty-one million, four hundred twenty thousand, two hundred twenty-four".