12944270064 has 160 divisors (see below), whose sum is σ = 37885575168. Its totient is φ = 3773952000.

The previous prime is 12944270057. The next prime is 12944270077. The reversal of 12944270064 is 46007244921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1576209 + ... + 1584399.

Almost surely, 2^12944270064 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 12944270064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18942787584).

12944270064 is an abundant number, since it is smaller than the sum of its proper divisors (24941305104).

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

12944270064 is a wasteful number, since it uses less digits than its factorization.

12944270064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8327 (or 8321 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The spelling of 12944270064 in words is "twelve billion, nine hundred forty-four million, two hundred seventy thousand, sixty-four".