24042421320 has 128 divisors (see below), whose sum is σ = 74002481280. Its totient is φ = 6245120000.

The previous prime is 24042421259. The next prime is 24042421321. The reversal of 24042421320 is 2312424042.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (24042421321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3445435 + ... + 3452405.

It is an arithmetic number, because the mean of its divisors is an integer number (578144385).

Almost surely, 2^24042421320 is an apocalyptic number.

24042421320 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 24042421320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37001240640).

24042421320 is an abundant number, since it is smaller than the sum of its proper divisors (49960059960).

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

24042421320 is a wasteful number, since it uses less digits than its factorization.

24042421320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7727 (or 7723 counting only the distinct ones).

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

Adding to 24042421320 its reverse (2312424042), we get a palindrome (26354845362).

The spelling of 24042421320 in words is "twenty-four billion, forty-two million, four hundred twenty-one thousand, three hundred twenty".