12634131444 has 48 divisors (see below), whose sum is σ = 33028798656. Its totient is φ = 3725049600.

The previous prime is 12634131421. The next prime is 12634131457. The reversal of 12634131444 is 44413143621.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a nude number because it is divisible by every one of its digits.

It is a congruent 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, 1288537 + ... + 1298304.

It is an arithmetic number, because the mean of its divisors is an integer number (688099972).

Almost surely, 2^12634131444 is an apocalyptic number.

It is an amenable number.

12634131444 is an abundant number, since it is smaller than the sum of its proper divisors (20394667212).

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

12634131444 is a wasteful number, since it uses less digits than its factorization.

12634131444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2586896 (or 2586894 counting only the distinct ones).

The product of its digits is 27648, while the sum is 33.

The spelling of 12634131444 in words is "twelve billion, six hundred thirty-four million, one hundred thirty-one thousand, four hundred forty-four".