10340043321340 has 24 divisors (see below), whose sum is σ = 21749170307760. Its totient is φ = 4129335550848.

The previous prime is 10340043321331. The next prime is 10340043321341. The reversal of 10340043321340 is 4312334004301.

It is a junction number, because it is equal to n+sod(n) for n = 10340043321299 and 10340043321308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10340043321341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417598417 + ... + 417623176.

It is an arithmetic number, because the mean of its divisors is an integer number (906215429490).

Almost surely, 2^{10340043321340} is an apocalyptic number.

10340043321340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10340043321340 is an abundant number, since it is smaller than the sum of its proper divisors (11409126986420).

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

10340043321340 is a wasteful number, since it uses less digits than its factorization.

10340043321340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835222221 (or 835222219 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 10340043321340 its reverse (4312334004301), we get a palindrome (14652377325641).

The spelling of 10340043321340 in words is "ten trillion, three hundred forty billion, forty-three million, three hundred twenty-one thousand, three hundred forty".