12644114454 has 12 divisors (see below), whose sum is σ = 27395581356. Its totient is φ = 4214704812.

The previous prime is 12644114453. The next prime is 12644114513. The reversal of 12644114454 is 45441144621.

12644114454 is a `hidden beast` number, since 1 + 2 + 644 + 1 + 1 + 4 + 4 + 5 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12644114453) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 351225384 + ... + 351225419.

It is an arithmetic number, because the mean of its divisors is an integer number (2282965113).

Almost surely, 2^12644114454 is an apocalyptic number.

12644114454 is an abundant number, since it is smaller than the sum of its proper divisors (14751466902).

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

12644114454 is a wasteful number, since it uses less digits than its factorization.

12644114454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702450811 (or 702450808 counting only the distinct ones).

The product of its digits is 61440, while the sum is 36.

The spelling of 12644114454 in words is "twelve billion, six hundred forty-four million, one hundred fourteen thousand, four hundred fifty-four".