12438677580 has 192 divisors, whose sum is σ = 41176332288. Its totient is φ = 2746460160.

The previous prime is 12438677549. The next prime is 12438677611. The reversal of 12438677580 is 8577683421.

It is an interprime number because it is at equal distance from previous prime (12438677549) and next prime (12438677611).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1770154 + ... + 1777166.

It is an arithmetic number, because the mean of its divisors is an integer number (214460064).

Almost surely, 2^12438677580 is an apocalyptic number.

12438677580 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 12438677580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20588166144).

12438677580 is an abundant number, since it is smaller than the sum of its proper divisors (28737654708).

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

12438677580 is a wasteful number, since it uses less digits than its factorization.

12438677580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7176 (or 7174 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 51.

The spelling of 12438677580 in words is "twelve billion, four hundred thirty-eight million, six hundred seventy-seven thousand, five hundred eighty".