12514424544 has 72 divisors (see below), whose sum is σ = 36345123360. Its totient is φ = 4082715648.

The previous prime is 12514424543. The next prime is 12514424579. The reversal of 12514424544 is 44542441521.

12514424544 is a `hidden beast` number, since 1 + 2 + 51 + 44 + 24 + 544 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×12514424544² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 12514424499 and 12514424508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12514424543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 448729 + ... + 475800.

It is an arithmetic number, because the mean of its divisors is an integer number (504793380).

Almost surely, 2^12514424544 is an apocalyptic number.

It is an amenable number.

12514424544 is an abundant number, since it is smaller than the sum of its proper divisors (23830698816).

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

12514424544 is a wasteful number, since it uses less digits than its factorization.

12514424544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924592 (or 924581 counting only the distinct ones).

The product of its digits is 102400, while the sum is 36.

The spelling of 12514424544 in words is "twelve billion, five hundred fourteen million, four hundred twenty-four thousand, five hundred forty-four".