320054500340340 has 192 divisors, whose sum is σ = 924838959582720. Its totient is φ = 82638616780800.

The previous prime is 320054500340327. The next prime is 320054500340359. The reversal of 320054500340340 is 43043005450023.

It is a happy number.

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, 931413481 + ... + 931757039.

It is an arithmetic number, because the mean of its divisors is an integer number (4816869581160).

Almost surely, 2^{320054500340340} is an apocalyptic number.

320054500340340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320054500340340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (462419479791360).

320054500340340 is an abundant number, since it is smaller than the sum of its proper divisors (604784459242380).

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

320054500340340 is a wasteful number, since it uses less digits than its factorization.

320054500340340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345642 (or 345640 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 33.

Adding to 320054500340340 its reverse (43043005450023), we get a palindrome (363097505790363).

The spelling of 320054500340340 in words is "three hundred twenty trillion, fifty-four billion, five hundred million, three hundred forty thousand, three hundred forty".