23816696640 has 224 divisors, whose sum is σ = 84505921920. Its totient is φ = 5632819200.

The previous prime is 23816696639. The next prime is 23816696749. The reversal of 23816696640 is 4669661832.

It is a happy number.

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 31 ways as a sum of consecutive naturals, for example, 405456 + ... + 460464.

It is an arithmetic number, because the mean of its divisors is an integer number (377258580).

Almost surely, 2^23816696640 is an apocalyptic number.

23816696640 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 23816696640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42252960960).

23816696640 is an abundant number, since it is smaller than the sum of its proper divisors (60689225280).

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

23816696640 is a wasteful number, since it uses less digits than its factorization.

23816696640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55081 (or 55071 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 51.

The spelling of 23816696640 in words is "twenty-three billion, eight hundred sixteen million, six hundred ninety-six thousand, six hundred forty".