12454539264 has 364 divisors, whose sum is σ = 38604314056. Its totient is φ = 4013162496.

The previous prime is 12454539239. The next prime is 12454539281. The reversal of 12454539264 is 46293545421.

12454539264 is a `hidden beast` number, since 1 + 2 + 4 + 54 + 539 + 2 + 64 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 128397264 + ... + 128397360.

Almost surely, 2^12454539264 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 12454539264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19302157028).

12454539264 is an abundant number, since it is smaller than the sum of its proper divisors (26149774792).

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

12454539264 is an frugal number, since it uses more digits than its factorization.

12454539264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182 (or 145 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 45.

The spelling of 12454539264 in words is "twelve billion, four hundred fifty-four million, five hundred thirty-nine thousand, two hundred sixty-four".