25610000528280 has 256 divisors, whose sum is σ = 90185458222080. Its totient is φ = 5695088154624.

The previous prime is 25610000528279. The next prime is 25610000528327. The reversal of 25610000528280 is 8282500001652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 645605007 + ... + 645644673.

It is an arithmetic number, because the mean of its divisors is an integer number (352286946180).

Almost surely, 2^{25610000528280} is an apocalyptic number.

25610000528280 is a gapful number since it is divisible by the number (20) 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 25610000528280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45092729111040).

25610000528280 is an abundant number, since it is smaller than the sum of its proper divisors (64575457693800).

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

25610000528280 is a wasteful number, since it uses less digits than its factorization.

25610000528280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60498 (or 60494 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 39.

The spelling of 25610000528280 in words is "twenty-five trillion, six hundred ten billion, five hundred twenty-eight thousand, two hundred eighty".