25528803996 has 48 divisors (see below), whose sum is σ = 61357409568. Its totient is φ = 8256153600.

The previous prime is 25528803983. The next prime is 25528804003. The reversal of 25528803996 is 69930882552.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 54285 + ... + 232388.

It is an arithmetic number, because the mean of its divisors is an integer number (1278279366).

Almost surely, 2^25528803996 is an apocalyptic number.

It is an amenable number.

25528803996 is an abundant number, since it is smaller than the sum of its proper divisors (35828605572).

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

25528803996 is a wasteful number, since it uses less digits than its factorization.

25528803996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286902 (or 286900 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 57.

The spelling of 25528803996 in words is "twenty-five billion, five hundred twenty-eight million, eight hundred three thousand, nine hundred ninety-six".