321342425244 has 144 divisors (see below), whose sum is σ = 845782537600. Its totient is φ = 102779808768.

The previous prime is 321342425233. The next prime is 321342425249. The reversal of 321342425244 is 442524243123.

321342425244 is a `hidden beast` number, since 3 + 21 + 342 + 4 + 252 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 321342425199 and 321342425208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321342425249) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 150369744 + ... + 150371880.

Almost surely, 2^321342425244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 321342425244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (422891268800).

321342425244 is an abundant number, since it is smaller than the sum of its proper divisors (524440112356).

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

321342425244 is a wasteful number, since it uses less digits than its factorization.

321342425244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3692 (or 3687 counting only the distinct ones).

The product of its digits is 184320, while the sum is 36.

Adding to 321342425244 its reverse (442524243123), we get a palindrome (763866668367).

The spelling of 321342425244 in words is "three hundred twenty-one billion, three hundred forty-two million, four hundred twenty-five thousand, two hundred forty-four".