12394777344 has 72 divisors (see below), whose sum is σ = 33248194560. Its totient is φ = 4099027968.

The previous prime is 12394777321. The next prime is 12394777379. The reversal of 12394777344 is 44377749321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33997 + ... + 161075.

It is an arithmetic number, because the mean of its divisors is an integer number (461780480).

Almost surely, 2^12394777344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12394777344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16624097280).

12394777344 is an abundant number, since it is smaller than the sum of its proper divisors (20853417216).

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

12394777344 is a wasteful number, since it uses less digits than its factorization.

12394777344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127225 (or 127211 counting only the distinct ones).

The product of its digits is 3556224, while the sum is 51.

The spelling of 12394777344 in words is "twelve billion, three hundred ninety-four million, seven hundred seventy-seven thousand, three hundred forty-four".