24020402424 has 64 divisors (see below), whose sum is σ = 61484313600. Its totient is φ = 7816558464.

The previous prime is 24020402381. The next prime is 24020402443. The reversal of 24020402424 is 42420402042.

It is a super-2 number, since 2×24020402424² (a number of 22 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 24020402394 and 24020402403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 420997 + ... + 474635.

It is an arithmetic number, because the mean of its divisors is an integer number (960692400).

Almost surely, 2^24020402424 is an apocalyptic number.

24020402424 is a gapful number since it is divisible by the number (24) 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 24020402424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30742156800).

24020402424 is an abundant number, since it is smaller than the sum of its proper divisors (37463911176).

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

24020402424 is a wasteful number, since it uses less digits than its factorization.

24020402424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54092 (or 54088 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 24020402424 its reverse (42420402042), we get a palindrome (66440804466).

The spelling of 24020402424 in words is "twenty-four billion, twenty million, four hundred two thousand, four hundred twenty-four".