24138660000 has 480 divisors, whose sum is σ = 97473898368. Its totient is φ = 5091840000.

The previous prime is 24138659917. The next prime is 24138660037. The reversal of 24138660000 is 6683142.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 24138660000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 5457790 + ... + 5462210.

Almost surely, 2^24138660000 is an apocalyptic number.

24138660000 is a gapful number since it is divisible by the number (20) 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 24138660000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48736949184).

24138660000 is an abundant number, since it is smaller than the sum of its proper divisors (73335238368).

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

24138660000 is a wasteful number, since it uses less digits than its factorization.

24138660000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4474 (or 4451 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The spelling of 24138660000 in words is "twenty-four billion, one hundred thirty-eight million, six hundred sixty thousand".