24421042140 has 192 divisors, whose sum is σ = 77080937472. Its totient is φ = 5726156800.

The previous prime is 24421042091. The next prime is 24421042169. The reversal of 24421042140 is 4124012442.

It is a self number, because there is not a number n which added to its sum of digits gives 24421042140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2478664 + ... + 2488496.

It is an arithmetic number, because the mean of its divisors is an integer number (401463216).

Almost surely, 2^24421042140 is an apocalyptic number.

24421042140 is a gapful number since it is divisible by the number (20) 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 24421042140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38540468736).

24421042140 is an abundant number, since it is smaller than the sum of its proper divisors (52659895332).

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

24421042140 is a wasteful number, since it uses less digits than its factorization.

24421042140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9980 (or 9978 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 24421042140 its reverse (4124012442), we get a palindrome (28545054582).

The spelling of 24421042140 in words is "twenty-four billion, four hundred twenty-one million, forty-two thousand, one hundred forty".