12784140462 has 32 divisors (see below), whose sum is σ = 28084158720. Its totient is φ = 3861570240.

The previous prime is 12784140449. The next prime is 12784140463. The reversal of 12784140462 is 26404148721.

It is a self number, because there is not a number n which added to its sum of digits gives 12784140462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12784140463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2435239 + ... + 2440482.

It is an arithmetic number, because the mean of its divisors is an integer number (877629960).

Almost surely, 2^12784140462 is an apocalyptic number.

12784140462 is an abundant number, since it is smaller than the sum of its proper divisors (15300018258).

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

12784140462 is a wasteful number, since it uses less digits than its factorization.

12784140462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4875768.

The product of its (nonzero) digits is 86016, while the sum is 39.

The spelling of 12784140462 in words is "twelve billion, seven hundred eighty-four million, one hundred forty thousand, four hundred sixty-two".