25852548456 has 192 divisors, whose sum is σ = 82867200000. Its totient is φ = 7125148800.

The previous prime is 25852548439. The next prime is 25852548503. The reversal of 25852548456 is 65484525852.

25852548456 is a `hidden beast` number, since 2 + 5 + 8 + 52 + 548 + 45 + 6 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5169045 + ... + 5174043.

It is an arithmetic number, because the mean of its divisors is an integer number (431600000).

Almost surely, 2^25852548456 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 25852548456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41433600000).

25852548456 is an abundant number, since it is smaller than the sum of its proper divisors (57014651544).

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

25852548456 is a wasteful number, since it uses less digits than its factorization.

25852548456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5380 (or 5373 counting only the distinct ones).

The product of its digits is 15360000, while the sum is 54.

The spelling of 25852548456 in words is "twenty-five billion, eight hundred fifty-two million, five hundred forty-eight thousand, four hundred fifty-six".