12424045140 has 144 divisors (see below), whose sum is σ = 41854881600. Its totient is φ = 3058204032.

The previous prime is 12424045133. The next prime is 12424045177. The reversal of 12424045140 is 4154042421.

12424045140 is a `hidden beast` number, since 1 + 242 + 404 + 5 + 14 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23191 + ... + 159329.

It is an arithmetic number, because the mean of its divisors is an integer number (290658900).

Almost surely, 2^12424045140 is an apocalyptic number.

12424045140 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 12424045140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20927440800).

12424045140 is an abundant number, since it is smaller than the sum of its proper divisors (29430836460).

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

12424045140 is a wasteful number, since it uses less digits than its factorization.

12424045140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136183 (or 136162 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

Adding to 12424045140 its reverse (4154042421), we get a palindrome (16578087561).

The spelling of 12424045140 in words is "twelve billion, four hundred twenty-four million, forty-five thousand, one hundred forty".