13044000128 has 64 divisors (see below), whose sum is σ = 26797191120. Its totient is φ = 6319872000.

The previous prime is 13044000127. The next prime is 13044000131. The reversal of 13044000128 is 82100044031.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13044000127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1183250 + ... + 1194222.

Almost surely, 2^13044000128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13044000128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13398595560).

13044000128 is an abundant number, since it is smaller than the sum of its proper divisors (13753190992).

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

13044000128 is a wasteful number, since it uses less digits than its factorization.

13044000128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11275 (or 11263 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 13044000128 its reverse (82100044031), we get a palindrome (95144044159).

The spelling of 13044000128 in words is "thirteen billion, forty-four million, one hundred twenty-eight", and thus it is an aban number.