12843054840 has 768 divisors, whose sum is σ = 52124083200. Its totient is φ = 2498764800.

The previous prime is 12843054827. The next prime is 12843054871. The reversal of 12843054840 is 4845034821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 76904437 + ... + 76904603.

It is an arithmetic number, because the mean of its divisors is an integer number (67869900).

Almost surely, 2^12843054840 is an apocalyptic number.

12843054840 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 12843054840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26062041600).

12843054840 is an abundant number, since it is smaller than the sum of its proper divisors (39281028360).

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

12843054840 is a wasteful number, since it uses less digits than its factorization.

12843054840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276 (or 265 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 39.

The spelling of 12843054840 in words is "twelve billion, eight hundred forty-three million, fifty-four thousand, eight hundred forty".