12794072740040 has 64 divisors (see below), whose sum is σ = 30513456034560. Its totient is φ = 4811304709120.

The previous prime is 12794072740021. The next prime is 12794072740079. The reversal of 12794072740040 is 4004727049721.

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 15 ways as a sum of consecutive naturals, for example, 9706982 + ... + 10945941.

It is an arithmetic number, because the mean of its divisors is an integer number (476772750540).

Almost surely, 2^{12794072740040} is an apocalyptic number.

12794072740040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12794072740040 is an abundant number, since it is smaller than the sum of its proper divisors (17719383294520).

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

12794072740040 is a wasteful number, since it uses less digits than its factorization.

12794072740040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20653862 (or 20653858 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 47.

Adding to 12794072740040 its reverse (4004727049721), we get a palindrome (16798799789761).

The spelling of 12794072740040 in words is "twelve trillion, seven hundred ninety-four billion, seventy-two million, seven hundred forty thousand, forty".