322134443540 has 192 divisors, whose sum is σ = 864941414400. Its totient is φ = 98019016704.

The previous prime is 322134443531. The next prime is 322134443551. The reversal of 322134443540 is 45344431223.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 322134443540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12601652 + ... + 12627188.

It is an arithmetic number, because the mean of its divisors is an integer number (4504903200).

Almost surely, 2^322134443540 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 322134443540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (432470707200).

322134443540 is an abundant number, since it is smaller than the sum of its proper divisors (542806970860).

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

322134443540 is a wasteful number, since it uses less digits than its factorization.

322134443540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25834 (or 25832 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 35.

Adding to 322134443540 its reverse (45344431223), we get a palindrome (367478874763).

The spelling of 322134443540 in words is "three hundred twenty-two billion, one hundred thirty-four million, four hundred forty-three thousand, five hundred forty".