12555240984 has 192 divisors, whose sum is σ = 40034685600. Its totient is φ = 3504384000.

The previous prime is 12555240959. The next prime is 12555241033. The reversal of 12555240984 is 48904255521.

12555240984 is a `hidden beast` number, since 1 + 2 + 5 + 552 + 4 + 0 + 98 + 4 = 666.

It is a congruent number.

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, 6186882 + ... + 6188910.

Almost surely, 2^12555240984 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 12555240984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20017342800).

12555240984 is an abundant number, since it is smaller than the sum of its proper divisors (27479444616).

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

12555240984 is a wasteful number, since it uses less digits than its factorization.

12555240984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2666 (or 2659 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 45.

The spelling of 12555240984 in words is "twelve billion, five hundred fifty-five million, two hundred forty thousand, nine hundred eighty-four".