24740671138 has 4 divisors (see below), whose sum is σ = 37111006710. Its totient is φ = 12370335568.

The previous prime is 24740671129. The next prime is 24740671169. The reversal of 24740671138 is 83117604742.

24740671138 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 16393473369 + 8347197769 = 128037^2 + 91363^2 .

It is a super-2 number, since 2×24740671138² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 24740671094 and 24740671103.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6185167783 + ... + 6185167786.

Almost surely, 2^24740671138 is an apocalyptic number.

24740671138 is a deficient number, since it is larger than the sum of its proper divisors (12370335572).

24740671138 is a wasteful number, since it uses less digits than its factorization.

24740671138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12370335571.

The product of its (nonzero) digits is 225792, while the sum is 43.

The spelling of 24740671138 in words is "twenty-four billion, seven hundred forty million, six hundred seventy-one thousand, one hundred thirty-eight".