10345321340 has 72 divisors (see below), whose sum is σ = 23164620192. Its totient is φ = 3873612160.

The previous prime is 10345321303. The next prime is 10345321361. The reversal of 10345321340 is 4312354301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1011050 + ... + 1021230.

It is an arithmetic number, because the mean of its divisors is an integer number (321730836).

Almost surely, 2^10345321340 is an apocalyptic number.

10345321340 is a gapful number since it is divisible by the number (10) 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 10345321340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11582310096).

10345321340 is an abundant number, since it is smaller than the sum of its proper divisors (12819298852).

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

10345321340 is a wasteful number, since it uses less digits than its factorization.

10345321340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10307 (or 10258 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 10345321340 its reverse (4312354301), we get a palindrome (14657675641).

The spelling of 10345321340 in words is "ten billion, three hundred forty-five million, three hundred twenty-one thousand, three hundred forty".