25844685048 has 384 divisors, whose sum is σ = 89107200000. Its totient is φ = 6723295488.

The previous prime is 25844685043. The next prime is 25844685109. The reversal of 25844685048 is 84058644852.

25844685048 is a `hidden beast` number, since 2 + 584 + 4 + 6 + 8 + 50 + 4 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 25844684985 and 25844685003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25844685043) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 25362283 + ... + 25363301.

It is an arithmetic number, because the mean of its divisors is an integer number (232050000).

Almost surely, 2^25844685048 is an apocalyptic number.

25844685048 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 25844685048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44553600000).

25844685048 is an abundant number, since it is smaller than the sum of its proper divisors (63262514952).

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

25844685048 is a wasteful number, since it uses less digits than its factorization.

25844685048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144 (or 1123 counting only the distinct ones).

The product of its (nonzero) digits is 9830400, while the sum is 54.

The spelling of 25844685048 in words is "twenty-five billion, eight hundred forty-four million, six hundred eighty-five thousand, forty-eight".