12398588547840 has 216 divisors, whose sum is σ = 46797627593808. Its totient is φ = 3005718405120.

The previous prime is 12398588547817. The next prime is 12398588547841. The reversal of 12398588547840 is 4874588589321.

12398588547840 is a `hidden beast` number, since 1 + 2 + 39 + 8 + 5 + 8 + 8 + 547 + 8 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (12398588547841) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48794479 + ... + 49047918.

Almost surely, 2^{12398588547840} is an apocalyptic number.

12398588547840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12398588547840 is an abundant number, since it is smaller than the sum of its proper divisors (34399039045968).

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

12398588547840 is a wasteful number, since it uses less digits than its factorization.

12398588547840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97842435 (or 97842418 counting only the distinct ones).

The product of its (nonzero) digits is 619315200, while the sum is 72.

The spelling of 12398588547840 in words is "twelve trillion, three hundred ninety-eight billion, five hundred eighty-eight million, five hundred forty-seven thousand, eight hundred forty".