23755664448 has 168 divisors, whose sum is σ = 73684473408. Its totient is φ = 7574155776.

The previous prime is 23755664441. The next prime is 23755664461. The reversal of 23755664448 is 84446655732.

23755664448 is a `hidden beast` number, since 2 + 3 + 7 + 556 + 6 + 44 + 48 = 666.

It is a super-2 number, since 2×23755664448² (a number of 22 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 23755664394 and 23755664403.

It is not an unprimeable number, because it can be changed into a prime (23755664441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 324490 + ... + 390902.

It is an arithmetic number, because the mean of its divisors is an integer number (438598056).

Almost surely, 2^23755664448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23755664448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36842236704).

23755664448 is an abundant number, since it is smaller than the sum of its proper divisors (49928808960).

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

23755664448 is an equidigital number, since it uses as much as digits as its factorization.

23755664448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66463 (or 66441 counting only the distinct ones).

The product of its digits is 19353600, while the sum is 54.

The spelling of 23755664448 in words is "twenty-three billion, seven hundred fifty-five million, six hundred sixty-four thousand, four hundred forty-eight".