24426138138 has 64 divisors (see below), whose sum is σ = 51773644800. Its totient is φ = 7668042096.

The previous prime is 24426138133. The next prime is 24426138151. The reversal of 24426138138 is 83183162442.

24426138138 is a modest number, since divided by 138138 gives 24426 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 24426138138.

It is not an unprimeable number, because it can be changed into a prime (24426138133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68039203 + ... + 68039561.

It is an arithmetic number, because the mean of its divisors is an integer number (808963200).

Almost surely, 2^24426138138 is an apocalyptic number.

24426138138 is an abundant number, since it is smaller than the sum of its proper divisors (27347506662).

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

24426138138 is an frugal number, since it uses more digits than its factorization.

24426138138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624 (or 466 counting only the distinct ones).

The product of its digits is 221184, while the sum is 42.

The spelling of 24426138138 in words is "twenty-four billion, four hundred twenty-six million, one hundred thirty-eight thousand, one hundred thirty-eight".