25528294952628 has 48 divisors (see below), whose sum is σ = 65712609162816. Its totient is φ = 7663278032640.

The previous prime is 25528294952603. The next prime is 25528294952651. The reversal of 25528294952628 is 82625949282552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1995638926 + ... + 1995651717.

It is an arithmetic number, because the mean of its divisors is an integer number (1369012690892).

Almost surely, 2^{25528294952628} is an apocalyptic number.

It is an amenable number.

25528294952628 is an abundant number, since it is smaller than the sum of its proper divisors (40184314210188).

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

25528294952628 is a wasteful number, since it uses less digits than its factorization.

25528294952628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3991290704 (or 3991290702 counting only the distinct ones).

The product of its digits is 497664000, while the sum is 69.

The spelling of 25528294952628 in words is "twenty-five trillion, five hundred twenty-eight billion, two hundred ninety-four million, nine hundred fifty-two thousand, six hundred twenty-eight".