25800828333328 has 80 divisors (see below), whose sum is σ = 51762774470400. Its totient is φ = 12443558328320.

The previous prime is 25800828333317. The next prime is 25800828333359. The reversal of 25800828333328 is 82333382800852.

It is a happy number.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2497413123 + ... + 2497423453.

It is an arithmetic number, because the mean of its divisors is an integer number (647034680880).

Almost surely, 2^{25800828333328} is an apocalyptic number.

It is an amenable number.

25800828333328 is an abundant number, since it is smaller than the sum of its proper divisors (25961946137072).

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

25800828333328 is a wasteful number, since it uses less digits than its factorization.

25800828333328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15040 (or 15034 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 55.

The spelling of 25800828333328 in words is "twenty-five trillion, eight hundred billion, eight hundred twenty-eight million, three hundred thirty-three thousand, three hundred twenty-eight".