322743642452 has 96 divisors (see below), whose sum is σ = 730719360000. Its totient is φ = 123612676320.

The previous prime is 322743642449. The next prime is 322743642457. The reversal of 322743642452 is 254246347223.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322743642457) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 709199 + ... + 1071657.

It is an arithmetic number, because the mean of its divisors is an integer number (7611660000).

Almost surely, 2^322743642452 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 322743642452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (365359680000).

322743642452 is an abundant number, since it is smaller than the sum of its proper divisors (407975717548).

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

322743642452 is a wasteful number, since it uses less digits than its factorization.

322743642452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362554 (or 362538 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 44.

Adding to 322743642452 its reverse (254246347223), we get a palindrome (576989989675).

The spelling of 322743642452 in words is "three hundred twenty-two billion, seven hundred forty-three million, six hundred forty-two thousand, four hundred fifty-two".