12839609040 has 160 divisors (see below), whose sum is σ = 42191870976. Its totient is φ = 3218841600.

The previous prime is 12839609011. The next prime is 12839609051. The reversal of 12839609040 is 4090693821.

It is a junction number, because it is equal to n+sod(n) for n = 12839608983 and 12839609001.

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, 6580065 + ... + 6582015.

Almost surely, 2^12839609040 is an apocalyptic number.

12839609040 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 12839609040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21095935488).

12839609040 is an abundant number, since it is smaller than the sum of its proper divisors (29352261936).

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

12839609040 is a wasteful number, since it uses less digits than its factorization.

12839609040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3597 (or 3591 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The spelling of 12839609040 in words is "twelve billion, eight hundred thirty-nine million, six hundred nine thousand, forty".