25068648528 has 600 divisors, whose sum is σ = 97537042944. Its totient is φ = 6125414400.

The previous prime is 25068648503. The next prime is 25068648587. The reversal of 25068648528 is 82584686052.

It is a happy number.

25068648528 is a `hidden beast` number, since 2 + 50 + 6 + 8 + 64 + 8 + 528 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 11874193 + ... + 11876303.

Almost surely, 2^25068648528 is an apocalyptic number.

25068648528 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 25068648528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48768521472).

25068648528 is an abundant number, since it is smaller than the sum of its proper divisors (72468394416).

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

25068648528 is a wasteful number, since it uses less digits than its factorization.

25068648528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2173 (or 2151 counting only the distinct ones).

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

The spelling of 25068648528 in words is "twenty-five billion, sixty-eight million, six hundred forty-eight thousand, five hundred twenty-eight".