24405252420 has 48 divisors (see below), whose sum is σ = 68341734720. Its totient is φ = 6507398016.

The previous prime is 24405252401. The next prime is 24405252427. The reversal of 24405252420 is 2425250442.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (24405252427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 909151 + ... + 935609.

It is an arithmetic number, because the mean of its divisors is an integer number (1423786140).

Almost surely, 2^24405252420 is an apocalyptic number.

24405252420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24405252420 is an abundant number, since it is smaller than the sum of its proper divisors (43936482300).

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

24405252420 is a wasteful number, since it uses less digits than its factorization.

24405252420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41844 (or 41842 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 30.

The spelling of 24405252420 in words is "twenty-four billion, four hundred five million, two hundred fifty-two thousand, four hundred twenty".