23986800640 has 192 divisors, whose sum is σ = 63834039360. Its totient is φ = 8577024000.

The previous prime is 23986800601. The next prime is 23986800659. The reversal of 23986800640 is 4600868932.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6869295 + ... + 6872785.

It is an arithmetic number, because the mean of its divisors is an integer number (332468955).

Almost surely, 2^23986800640 is an apocalyptic number.

23986800640 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 23986800640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31917019680).

23986800640 is an abundant number, since it is smaller than the sum of its proper divisors (39847238720).

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

23986800640 is a wasteful number, since it uses less digits than its factorization.

23986800640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3590 (or 3570 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 23986800640 in words is "twenty-three billion, nine hundred eighty-six million, eight hundred thousand, six hundred forty".