12344004400 has 120 divisors (see below), whose sum is σ = 36500379104. Its totient is φ = 3906662400.

The previous prime is 12344004397. The next prime is 12344004451. The reversal of 12344004400 is 440044321.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 133161 + ... + 205960.

Almost surely, 2^12344004400 is an apocalyptic number.

12344004400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12344004400 is an abundant number, since it is smaller than the sum of its proper divisors (24156374704).

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

12344004400 is a wasteful number, since it uses less digits than its factorization.

12344004400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339159 (or 339148 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 12344004400 its reverse (440044321), we get a palindrome (12784048721).

The spelling of 12344004400 in words is "twelve billion, three hundred forty-four million, four thousand, four hundred".