2443312321340 has 48 divisors (see below), whose sum is σ = 5602364822880. Its totient is φ = 887690158080.

The previous prime is 2443312321321. The next prime is 2443312321367. The reversal of 2443312321340 is 431232133442.

It is a super-2 number, since 2×2443312321340² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2443312321297 and 2443312321306.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 4670117 + ... + 5166876.

It is an arithmetic number, because the mean of its divisors is an integer number (116715933810).

Almost surely, 2^{2443312321340} is an apocalyptic number.

2443312321340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2443312321340 is an abundant number, since it is smaller than the sum of its proper divisors (3159052501540).

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

2443312321340 is a wasteful number, since it uses less digits than its factorization.

2443312321340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9838142 (or 9838140 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 2443312321340 its reverse (431232133442), we get a palindrome (2874544454782).

The spelling of 2443312321340 in words is "two trillion, four hundred forty-three billion, three hundred twelve million, three hundred twenty-one thousand, three hundred forty".