2321541436340 has 192 divisors, whose sum is σ = 5764942848000. Its totient is φ = 784848984192.

The previous prime is 2321541436327. The next prime is 2321541436343. The reversal of 2321541436340 is 436341451232.

It is a junction number, because it is equal to n+sod(n) for n = 2321541436294 and 2321541436303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321541436343) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 491537219 + ... + 491541941.

It is an arithmetic number, because the mean of its divisors is an integer number (30025744000).

Almost surely, 2^{2321541436340} is an apocalyptic number.

2321541436340 is a gapful number since it is divisible by the number (20) 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 2321541436340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2882471424000).

2321541436340 is an abundant number, since it is smaller than the sum of its proper divisors (3443401411660).

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

2321541436340 is a wasteful number, since it uses less digits than its factorization.

2321541436340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5739 (or 5723 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 38.

Adding to 2321541436340 its reverse (436341451232), we get a palindrome (2757882887572).

The spelling of 2321541436340 in words is "two trillion, three hundred twenty-one billion, five hundred forty-one million, four hundred thirty-six thousand, three hundred forty".