25066560384 has 384 divisors, whose sum is σ = 79016446080. Its totient is φ = 7596933120.

The previous prime is 25066560383. The next prime is 25066560397. The reversal of 25066560384 is 48306566052.

25066560384 is a `hidden beast` number, since 2 + 5 + 0 + 6 + 6 + 560 + 3 + 84 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25066560383) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 104010504 + ... + 104010744.

It is an arithmetic number, because the mean of its divisors is an integer number (205771995).

Almost surely, 2^25066560384 is an apocalyptic number.

25066560384 is a gapful number since it is divisible by the number (24) 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 25066560384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39508223040).

25066560384 is an abundant number, since it is smaller than the sum of its proper divisors (53949885696).

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

25066560384 is a wasteful number, since it uses less digits than its factorization.

25066560384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438 (or 423 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 25066560384 in words is "twenty-five billion, sixty-six million, five hundred sixty thousand, three hundred eighty-four".