12593988440 has 32 divisors (see below), whose sum is σ = 30912518160. Its totient is φ = 4579632000.

The previous prime is 12593988437. The next prime is 12593988529. The reversal of 12593988440 is 4488939521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14310911 + ... + 14311790.

Almost surely, 2^12593988440 is an apocalyptic number.

12593988440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12593988440 is an abundant number, since it is smaller than the sum of its proper divisors (18318529720).

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

12593988440 is a wasteful number, since it uses less digits than its factorization.

12593988440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28622723 (or 28622719 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 53.

The spelling of 12593988440 in words is "twelve billion, five hundred ninety-three million, nine hundred eighty-eight thousand, four hundred forty".