25928906250 has 288 divisors, whose sum is σ = 74812461696. Its totient is φ = 5940000000.

The previous prime is 25928906249. The next prime is 25928906317. The reversal of 25928906250 is 5260982952.

It is a self number, because there is not a number n which added to its sum of digits gives 25928906250.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 700781232 + ... + 700781268.

It is an arithmetic number, because the mean of its divisors is an integer number (259765492).

Almost surely, 2^25928906250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25928906250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37406230848).

25928906250 is an abundant number, since it is smaller than the sum of its proper divisors (48883555446).

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

25928906250 is an frugal number, since it uses more digits than its factorization.

25928906250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 48.

The spelling of 25928906250 in words is "twenty-five billion, nine hundred twenty-eight million, nine hundred six thousand, two hundred fifty".