12340977480 has 128 divisors (see below), whose sum is σ = 44300995200. Its totient is φ = 3037775616.

The previous prime is 12340977421. The next prime is 12340977487. The reversal of 12340977480 is 8477904321.

12340977480 is a `hidden beast` number, since 123 + 40 + 9 + 7 + 7 + 480 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (12340977487) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 425454 + ... + 453533.

It is an arithmetic number, because the mean of its divisors is an integer number (346101525).

Almost surely, 2^12340977480 is an apocalyptic number.

12340977480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12340977480 is an abundant number, since it is smaller than the sum of its proper divisors (31960017720).

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

12340977480 is a wasteful number, since it uses less digits than its factorization.

12340977480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879020 (or 879010 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 12340977480 in words is "twelve billion, three hundred forty million, nine hundred seventy-seven thousand, four hundred eighty".