24042440020 has 48 divisors (see below), whose sum is σ = 53255986560. Its totient is φ = 9092041344.

The previous prime is 24042439961. The next prime is 24042440027. The reversal of 24042440020 is 2004424042.

It is a junction number, because it is equal to n+sod(n) for n = 24042439973 and 24042440000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24042440027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120102 + ... + 250018.

It is an arithmetic number, because the mean of its divisors is an integer number (1109499720).

Almost surely, 2^24042440020 is an apocalyptic number.

24042440020 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 24042440020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26627993280).

24042440020 is an abundant number, since it is smaller than the sum of its proper divisors (29213546540).

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

24042440020 is a wasteful number, since it uses less digits than its factorization.

24042440020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130432 (or 130430 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 24042440020 its reverse (2004424042), we get a palindrome (26046864062).

The spelling of 24042440020 in words is "twenty-four billion, forty-two million, four hundred forty thousand, twenty".