12880318464 has 624 divisors, whose sum is σ = 45062295040. Its totient is φ = 3609722880.

The previous prime is 12880318459. The next prime is 12880318499. The reversal of 12880318464 is 46481308821.

It is a tau number, because it is divible by the number of its divisors (624).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 415494129 + ... + 415494159.

Almost surely, 2^12880318464 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 12880318464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22531147520).

12880318464 is an abundant number, since it is smaller than the sum of its proper divisors (32181976576).

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

12880318464 is a wasteful number, since it uses less digits than its factorization.

12880318464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 45.

The spelling of 12880318464 in words is "twelve billion, eight hundred eighty million, three hundred eighteen thousand, four hundred sixty-four".