2113324443240 has 256 divisors, whose sum is σ = 6549171148800. Its totient is φ = 545308806144.

The previous prime is 2113324443233. The next prime is 2113324443253. The reversal of 2113324443240 is 423444233112.

It is a super-2 number, since 2×2113324443240² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 162769789 + ... + 162782771.

It is an arithmetic number, because the mean of its divisors is an integer number (25582699800).

Almost surely, 2^{2113324443240} is an apocalyptic number.

2113324443240 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 2113324443240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3274585574400).

2113324443240 is an abundant number, since it is smaller than the sum of its proper divisors (4435846705560).

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

2113324443240 is a wasteful number, since it uses less digits than its factorization.

2113324443240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13416 (or 13412 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 2113324443240 its reverse (423444233112), we get a palindrome (2536768676352).

The spelling of 2113324443240 in words is "two trillion, one hundred thirteen billion, three hundred twenty-four million, four hundred forty-three thousand, two hundred forty".