12340863460 has 12 divisors (see below), whose sum is σ = 25915813308. Its totient is φ = 4936345376.

The previous prime is 12340863433. The next prime is 12340863503. The reversal of 12340863460 is 6436804321.

It can be written as a sum of positive squares in 2 ways, for example, as 4768731136 + 7572132324 = 69056^2 + 87018^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308521567 + ... + 308521606.

It is an arithmetic number, because the mean of its divisors is an integer number (2159651109).

Almost surely, 2^12340863460 is an apocalyptic number.

12340863460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12340863460 is an abundant number, since it is smaller than the sum of its proper divisors (13574949848).

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

12340863460 is a wasteful number, since it uses less digits than its factorization.

12340863460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617043182 (or 617043180 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 37.

The spelling of 12340863460 in words is "twelve billion, three hundred forty million, eight hundred sixty-three thousand, four hundred sixty".