23799536640 has 1056 divisors, whose sum is σ = 97853543424. Its totient is φ = 5494210560.

The previous prime is 23799536587. The next prime is 23799536641. The reversal of 23799536640 is 4663599732.

23799536640 is a `hidden beast` number, since 237 + 9 + 9 + 5 + 366 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (1056).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23799536641) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 506373097 + ... + 506373143.

Almost surely, 2^23799536640 is an apocalyptic number.

23799536640 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 23799536640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48926771712).

23799536640 is an abundant number, since it is smaller than the sum of its proper divisors (74054006784).

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

23799536640 is a wasteful number, since it uses less digits than its factorization.

23799536640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 7348320, while the sum is 54.

The spelling of 23799536640 in words is "twenty-three billion, seven hundred ninety-nine million, five hundred thirty-six thousand, six hundred forty".