12677508440 has 16 divisors (see below), whose sum is σ = 28524394080. Its totient is φ = 5071003360.

The previous prime is 12677508419. The next prime is 12677508457. The reversal of 12677508440 is 4480577621.

It is a junction number, because it is equal to n+sod(n) for n = 12677508391 and 12677508400.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 158468816 + ... + 158468895.

It is an arithmetic number, because the mean of its divisors is an integer number (1782774630).

Almost surely, 2^12677508440 is an apocalyptic number.

12677508440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12677508440 is an abundant number, since it is smaller than the sum of its proper divisors (15846885640).

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

12677508440 is a wasteful number, since it uses less digits than its factorization.

12677508440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316937722 (or 316937718 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 44.

The spelling of 12677508440 in words is "twelve billion, six hundred seventy-seven million, five hundred eight thousand, four hundred forty".