321440410420332 has 48 divisors (see below), whose sum is σ = 878081121157632. Its totient is φ = 89600114401920.

The previous prime is 321440410420249. The next prime is 321440410420397. The reversal of 321440410420332 is 233024014044123.

It is a junction number, because it is equal to n+sod(n) for n = 321440410420293 and 321440410420302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46666722808 + ... + 46666729695.

It is an arithmetic number, because the mean of its divisors is an integer number (18293356690784).

Almost surely, 2^{321440410420332} is an apocalyptic number.

It is an amenable number.

321440410420332 is an abundant number, since it is smaller than the sum of its proper divisors (556640710737300).

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

321440410420332 is a wasteful number, since it uses less digits than its factorization.

321440410420332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93333452558 (or 93333452556 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 321440410420332 its reverse (233024014044123), we get a palindrome (554464424464455).

The spelling of 321440410420332 in words is "three hundred twenty-one trillion, four hundred forty billion, four hundred ten million, four hundred twenty thousand, three hundred thirty-two".