322289493680 has 240 divisors, whose sum is σ = 965346999552. Its totient is φ = 97211635200.

The previous prime is 322289493623. The next prime is 322289493731. The reversal of 322289493680 is 86394982223.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5892539 + ... + 5946981.

Almost surely, 2^322289493680 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 322289493680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (482673499776).

322289493680 is an abundant number, since it is smaller than the sum of its proper divisors (643057505872).

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

322289493680 is a wasteful number, since it uses less digits than its factorization.

322289493680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54536 (or 54499 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 56.

The spelling of 322289493680 in words is "three hundred twenty-two billion, two hundred eighty-nine million, four hundred ninety-three thousand, six hundred eighty".