24400424220 has 24 divisors (see below), whose sum is σ = 68321187984. Its totient is φ = 6506779776.

The previous prime is 24400424197. The next prime is 24400424249. The reversal of 24400424220 is 2242400442.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203336809 + ... + 203336928.

It is an arithmetic number, because the mean of its divisors is an integer number (2846716166).

Almost surely, 2^24400424220 is an apocalyptic number.

24400424220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24400424220 is an abundant number, since it is smaller than the sum of its proper divisors (43920763764).

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

24400424220 is a wasteful number, since it uses less digits than its factorization.

24400424220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406673749 (or 406673747 counting only the distinct ones).

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

Adding to 24400424220 its reverse (2242400442), we get a palindrome (26642824662).

The spelling of 24400424220 in words is "twenty-four billion, four hundred million, four hundred twenty-four thousand, two hundred twenty".