24638128152 has 128 divisors (see below), whose sum is σ = 72210320640. Its totient is φ = 6921953280.

The previous prime is 24638128127. The next prime is 24638128159. The reversal of 24638128152 is 25182183642.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24638128159) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 259728 + ... + 341664.

It is an arithmetic number, because the mean of its divisors is an integer number (564143130).

Almost surely, 2^24638128152 is an apocalyptic number.

24638128152 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 24638128152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36105160320).

24638128152 is an abundant number, since it is smaller than the sum of its proper divisors (47572192488).

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

24638128152 is a wasteful number, since it uses less digits than its factorization.

24638128152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82041 (or 82037 counting only the distinct ones).

The product of its digits is 184320, while the sum is 42.

The spelling of 24638128152 in words is "twenty-four billion, six hundred thirty-eight million, one hundred twenty-eight thousand, one hundred fifty-two".