24420002440 has 64 divisors (see below), whose sum is σ = 56191449600. Its totient is φ = 9546985728.

The previous prime is 24420002417. The next prime is 24420002447. The reversal of 24420002440 is 4420002442.

It is not an unprimeable number, because it can be changed into a prime (24420002447) 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, 1414581 + ... + 1431739.

It is an arithmetic number, because the mean of its divisors is an integer number (877991400).

Almost surely, 2^24420002440 is an apocalyptic number.

24420002440 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 24420002440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28095724800).

24420002440 is an abundant number, since it is smaller than the sum of its proper divisors (31771447160).

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

24420002440 is a wasteful number, since it uses less digits than its factorization.

24420002440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17974 (or 17970 counting only the distinct ones).

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

Adding to 24420002440 its reverse (4420002442), we get a palindrome (28840004882).

The spelling of 24420002440 in words is "twenty-four billion, four hundred twenty million, two thousand, four hundred forty".