12445024240 has 120 divisors (see below), whose sum is σ = 31984452864. Its totient is φ = 4499827200.

The previous prime is 12445024223. The next prime is 12445024247. The reversal of 12445024240 is 4242054421.

It is a junction number, because it is equal to n+sod(n) for n = 12445024199 and 12445024208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12445024247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1748529 + ... + 1755631.

Almost surely, 2^12445024240 is an apocalyptic number.

12445024240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12445024240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15992226432).

12445024240 is an abundant number, since it is smaller than the sum of its proper divisors (19539428624).

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

12445024240 is a wasteful number, since it uses less digits than its factorization.

12445024240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7319 (or 7302 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 28.

Adding to 12445024240 its reverse (4242054421), we get a palindrome (16687078661).

The spelling of 12445024240 in words is "twelve billion, four hundred forty-five million, twenty-four thousand, two hundred forty".