25620568848 has 480 divisors, whose sum is σ = 91922688000. Its totient is φ = 6627785472.

The previous prime is 25620568847. The next prime is 25620568891. The reversal of 25620568848 is 84886502652.

It is a happy number.

25620568848 is a `hidden beast` number, since 2 + 5 + 620 + 5 + 6 + 8 + 8 + 4 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 25620568794 and 25620568803.

It is not an unprimeable number, because it can be changed into a prime (25620568847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 21583711 + ... + 21584897.

It is an arithmetic number, because the mean of its divisors is an integer number (191505600).

Almost surely, 2^25620568848 is an apocalyptic number.

25620568848 is a gapful number since it is divisible by the number (28) 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 25620568848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45961344000).

25620568848 is an abundant number, since it is smaller than the sum of its proper divisors (66302119152).

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

25620568848 is a wasteful number, since it uses less digits than its factorization.

25620568848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264 (or 1241 counting only the distinct ones).

The product of its (nonzero) digits is 7372800, while the sum is 54.

The spelling of 25620568848 in words is "twenty-five billion, six hundred twenty million, five hundred sixty-eight thousand, eight hundred forty-eight".