12759257140 has 96 divisors (see below), whose sum is σ = 31890991104. Its totient is φ = 4195860480.

The previous prime is 12759257123. The next prime is 12759257141. The reversal of 12759257140 is 4175295721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12759257141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 477412 + ... + 503428.

It is an arithmetic number, because the mean of its divisors is an integer number (332197824).

Almost surely, 2^12759257140 is an apocalyptic number.

12759257140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12759257140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15945495552).

12759257140 is an abundant number, since it is smaller than the sum of its proper divisors (19131733964).

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

12759257140 is a wasteful number, since it uses less digits than its factorization.

12759257140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26177 (or 26175 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 43.

The spelling of 12759257140 in words is "twelve billion, seven hundred fifty-nine million, two hundred fifty-seven thousand, one hundred forty".