12040489418 has 8 divisors (see below), whose sum is σ = 18315110880. Its totient is φ = 5935452460.

The previous prime is 12040489361. The next prime is 12040489471. The reversal of 12040489418 is 81498404021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42395948 + ... + 42396231.

It is an arithmetic number, because the mean of its divisors is an integer number (2289388860).

Almost surely, 2^12040489418 is an apocalyptic number.

12040489418 is a deficient number, since it is larger than the sum of its proper divisors (6274621462).

12040489418 is an equidigital number, since it uses as much as digits as its factorization.

12040489418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84792252.

The product of its (nonzero) digits is 73728, while the sum is 41.

The spelling of 12040489418 in words is "twelve billion, forty million, four hundred eighty-nine thousand, four hundred eighteen".