25693810848 has 192 divisors, whose sum is σ = 78343372800. Its totient is φ = 8182736640.

The previous prime is 25693810847. The next prime is 25693810859. The reversal of 25693810848 is 84801839652.

25693810848 is a `hidden beast` number, since 2 + 569 + 38 + 1 + 0 + 8 + 48 = 666.

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 = 25693810794 and 25693810803.

It is not an unprimeable number, because it can be changed into a prime (25693810847) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2109865 + ... + 2122007.

It is an arithmetic number, because the mean of its divisors is an integer number (408038400).

Almost surely, 2^25693810848 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 25693810848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39171686400).

25693810848 is an abundant number, since it is smaller than the sum of its proper divisors (52649561952).

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

25693810848 is a wasteful number, since it uses less digits than its factorization.

25693810848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12272 (or 12258 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 54.

The spelling of 25693810848 in words is "twenty-five billion, six hundred ninety-three million, eight hundred ten thousand, eight hundred forty-eight".