12592336640 has 144 divisors (see below), whose sum is σ = 34193258400. Its totient is φ = 4404658176.

The previous prime is 12592336619. The next prime is 12592336643. The reversal of 12592336640 is 4663329521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12592336643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 296246 + ... + 336074.

Almost surely, 2^12592336640 is an apocalyptic number.

12592336640 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 12592336640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17096629200).

12592336640 is an abundant number, since it is smaller than the sum of its proper divisors (21600921760).

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

12592336640 is a wasteful number, since it uses less digits than its factorization.

12592336640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39882 (or 39868 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 41.

The spelling of 12592336640 in words is "twelve billion, five hundred ninety-two million, three hundred thirty-six thousand, six hundred forty".