12394440267 has 8 divisors (see below), whose sum is σ = 18028276800. Its totient is φ = 7511781960.

The previous prime is 12394440263. The next prime is 12394440277. The reversal of 12394440267 is 76204449321.

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

It is not a de Polignac number, because 12394440267 - 2² = 12394440263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12394440263) 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, 187794517 + ... + 187794582.

It is an arithmetic number, because the mean of its divisors is an integer number (2253534600).

Almost surely, 2^12394440267 is an apocalyptic number.

12394440267 is a deficient number, since it is larger than the sum of its proper divisors (5633836533).

12394440267 is a wasteful number, since it uses less digits than its factorization.

12394440267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375589113.

The product of its (nonzero) digits is 290304, while the sum is 42.

Adding to 12394440267 its reverse (76204449321), we get a palindrome (88598889588).

The spelling of 12394440267 in words is "twelve billion, three hundred ninety-four million, four hundred forty thousand, two hundred sixty-seven".