12544954460 has 12 divisors (see below), whose sum is σ = 26344404408. Its totient is φ = 5017981776.

The previous prime is 12544954453. The next prime is 12544954489. The reversal of 12544954460 is 6445944521.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313623842 + ... + 313623881.

It is an arithmetic number, because the mean of its divisors is an integer number (2195367034).

Almost surely, 2^12544954460 is an apocalyptic number.

12544954460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12544954460 is an abundant number, since it is smaller than the sum of its proper divisors (13799449948).

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

12544954460 is a wasteful number, since it uses less digits than its factorization.

12544954460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627247732 (or 627247730 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 44.

The spelling of 12544954460 in words is "twelve billion, five hundred forty-four million, nine hundred fifty-four thousand, four hundred sixty".