25676638364028 has 96 divisors (see below), whose sum is σ = 60820155002880. Its totient is φ = 8429946877440.

The previous prime is 25676638363997. The next prime is 25676638364077. The reversal of 25676638364028 is 82046383667652.

It is a self number, because there is not a number n which added to its sum of digits gives 25676638364028.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 520451250 + ... + 520500582.

It is an arithmetic number, because the mean of its divisors is an integer number (633543281280).

Almost surely, 2^{25676638364028} is an apocalyptic number.

It is an amenable number.

25676638364028 is an abundant number, since it is smaller than the sum of its proper divisors (35143516638852).

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

25676638364028 is a wasteful number, since it uses less digits than its factorization.

25676638364028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51307 (or 51305 counting only the distinct ones).

The product of its (nonzero) digits is 418037760, while the sum is 66.

The spelling of 25676638364028 in words is "twenty-five trillion, six hundred seventy-six billion, six hundred thirty-eight million, three hundred sixty-four thousand, twenty-eight".