24420244442 has 48 divisors (see below), whose sum is σ = 40660893000. Its totient is φ = 10990953600.

The previous prime is 24420244291. The next prime is 24420244447. The reversal of 24420244442 is 24444202442.

It can be written as a sum of positive squares in 4 ways, for example, as 4530501481 + 19889742961 = 67309^2 + 141031^2 .

It is a junction number, because it is equal to n+sod(n) for n = 24420244399 and 24420244408.

It is not an unprimeable number, because it can be changed into a prime (24420244447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14025692 + ... + 14027432.

Almost surely, 2^24420244442 is an apocalyptic number.

24420244442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

24420244442 is a deficient number, since it is larger than the sum of its proper divisors (16240648558).

24420244442 is a wasteful number, since it uses less digits than its factorization.

24420244442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2303 (or 2292 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 24420244442 its reverse (24444202442), we get a palindrome (48864446884).

It can be divided in two parts, 24420 and 244442, that added together give a palindrome (268862).

The spelling of 24420244442 in words is "twenty-four billion, four hundred twenty million, two hundred forty-four thousand, four hundred forty-two".