24525239138 has 8 divisors (see below), whose sum is σ = 36794365020. Its totient is φ = 12260450800.

The previous prime is 24525239119. The next prime is 24525239143. The reversal of 24525239138 is 83193252542.

It can be written as a sum of positive squares in 2 ways, for example, as 24408750289 + 116488849 = 156233^2 + 10793^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1070213 + ... + 1092888.

Almost surely, 2^24525239138 is an apocalyptic number.

24525239138 is a deficient number, since it is larger than the sum of its proper divisors (12269125882).

24525239138 is a wasteful number, since it uses less digits than its factorization.

24525239138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2168772.

The product of its digits is 518400, while the sum is 44.

The spelling of 24525239138 in words is "twenty-four billion, five hundred twenty-five million, two hundred thirty-nine thousand, one hundred thirty-eight".