12440424300 has 72 divisors (see below), whose sum is σ = 36007028736. Its totient is φ = 3316272960.

The previous prime is 12440424281. The next prime is 12440424323. The reversal of 12440424300 is 342404421.

It is a happy number.

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, 1141477 + ... + 1152323.

Almost surely, 2^12440424300 is an apocalyptic number.

12440424300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12440424300 is an abundant number, since it is smaller than the sum of its proper divisors (23566604436).

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

12440424300 is a wasteful number, since it uses less digits than its factorization.

12440424300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14687 (or 14680 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 12440424300 its reverse (342404421), we get a palindrome (12782828721).

The spelling of 12440424300 in words is "twelve billion, four hundred forty million, four hundred twenty-four thousand, three hundred".