12783958240 has 24 divisors (see below), whose sum is σ = 30202101720. Its totient is φ = 5113583232.

The previous prime is 12783958193. The next prime is 12783958247. The reversal of 12783958240 is 4285938721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12783958247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39949710 + ... + 39950029.

It is an arithmetic number, because the mean of its divisors is an integer number (1258420905).

Almost surely, 2^12783958240 is an apocalyptic number.

12783958240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12783958240 is an abundant number, since it is smaller than the sum of its proper divisors (17418143480).

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

12783958240 is an equidigital number, since it uses as much as digits as its factorization.

12783958240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79899754 (or 79899746 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 12783958240 in words is "twelve billion, seven hundred eighty-three million, nine hundred fifty-eight thousand, two hundred forty".