12885074040 has 32 divisors (see below), whose sum is σ = 38655222480. Its totient is φ = 3436019712.

The previous prime is 12885074039. The next prime is 12885074047. The reversal of 12885074040 is 4047058821.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12885074040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12885074047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53687689 + ... + 53687928.

Almost surely, 2^12885074040 is an apocalyptic number.

12885074040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12885074040 is an abundant number, since it is smaller than the sum of its proper divisors (25770148440).

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

12885074040 is a wasteful number, since it uses less digits than its factorization.

12885074040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107375631 (or 107375627 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 39.

The spelling of 12885074040 in words is "twelve billion, eight hundred eighty-five million, seventy-four thousand, forty".