12340045980 has 48 divisors (see below), whose sum is σ = 38391255840. Its totient is φ = 3290678784.

The previous prime is 12340045937. The next prime is 12340046027. The reversal of 12340045980 is 8954004321.

12340045980 is a `hidden beast` number, since 1 + 23 + 40 + 0 + 4 + 598 + 0 = 666.

12340045980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11425429 + ... + 11426508.

It is an arithmetic number, because the mean of its divisors is an integer number (799817830).

Almost surely, 2^12340045980 is an apocalyptic number.

12340045980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12340045980 is an abundant number, since it is smaller than the sum of its proper divisors (26051209860).

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

12340045980 is a wasteful number, since it uses less digits than its factorization.

12340045980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22851955 (or 22851947 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 12340045980 in words is "twelve billion, three hundred forty million, forty-five thousand, nine hundred eighty".