25562880000 has 720 divisors, whose sum is σ = 105770705040. Its totient is φ = 5824512000.

The previous prime is 25562879999. The next prime is 25562880011. The reversal of 25562880000 is 8826552.

25562880000 is a `hidden beast` number, since 2 + 556 + 28 + 80 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 80639842 + ... + 80640158.

It is an arithmetic number, because the mean of its divisors is an integer number (146903757).

Almost surely, 2^25562880000 is an apocalyptic number.

25562880000 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 25562880000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52885352520).

25562880000 is an abundant number, since it is smaller than the sum of its proper divisors (80207825040).

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

25562880000 is an equidigital number, since it uses as much as digits as its factorization.

25562880000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372 (or 334 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The spelling of 25562880000 in words is "twenty-five billion, five hundred sixty-two million, eight hundred eighty thousand".