12544150540 has 48 divisors (see below), whose sum is σ = 26951468544. Its totient is φ = 4902091200.

The previous prime is 12544150537. The next prime is 12544150559. The reversal of 12544150540 is 4505144521.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 525055 + ... + 548425.

It is an arithmetic number, because the mean of its divisors is an integer number (561488928).

Almost surely, 2^12544150540 is an apocalyptic number.

12544150540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12544150540 is an abundant number, since it is smaller than the sum of its proper divisors (14407318004).

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

12544150540 is a wasteful number, since it uses less digits than its factorization.

12544150540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23998 (or 23996 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

The spelling of 12544150540 in words is "twelve billion, five hundred forty-four million, one hundred fifty thousand, five hundred forty".