12860662464 has 224 divisors, whose sum is σ = 41819413440. Its totient is φ = 3849928704.

The previous prime is 12860662457. The next prime is 12860662489. The reversal of 12860662464 is 46426606821.

12860662464 is a `hidden beast` number, since 12 + 8 + 6 + 0 + 6 + 624 + 6 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 823432 + ... + 838904.

It is an arithmetic number, because the mean of its divisors is an integer number (186693810).

Almost surely, 2^12860662464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12860662464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20909706720).

12860662464 is an abundant number, since it is smaller than the sum of its proper divisors (28958750976).

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

12860662464 is a wasteful number, since it uses less digits than its factorization.

12860662464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15544 (or 15528 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

The spelling of 12860662464 in words is "twelve billion, eight hundred sixty million, six hundred sixty-two thousand, four hundred sixty-four".