12840540048 has 120 divisors (see below), whose sum is σ = 41765630400. Its totient is φ = 3606527232.

The previous prime is 12840540019. The next prime is 12840540061. The reversal of 12840540048 is 84004504821.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 12840539994 and 12840540021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48483 + ... + 167426.

It is an arithmetic number, because the mean of its divisors is an integer number (348046920).

Almost surely, 2^12840540048 is an apocalyptic number.

12840540048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12840540048 is an abundant number, since it is smaller than the sum of its proper divisors (28925090352).

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

12840540048 is a wasteful number, since it uses less digits than its factorization.

12840540048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215989 (or 215980 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 36.

The spelling of 12840540048 in words is "twelve billion, eight hundred forty million, five hundred forty thousand, forty-eight".