25628493945696 has 48 divisors (see below), whose sum is σ = 67424629230000. Its totient is φ = 8523804950528.

The previous prime is 25628493945641. The next prime is 25628493945697. The reversal of 25628493945696 is 69654939482652.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25628493945697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297243621 + ... + 297329828.

It is an arithmetic number, because the mean of its divisors is an integer number (1404679775625).

Almost surely, 2^{25628493945696} is an apocalyptic number.

It is an amenable number.

25628493945696 is an abundant number, since it is smaller than the sum of its proper divisors (41796135284304).

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

25628493945696 is a wasteful number, since it uses less digits than its factorization.

25628493945696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594573911 (or 594573903 counting only the distinct ones).

The product of its digits is 6046617600, while the sum is 78.

The spelling of 25628493945696 in words is "twenty-five trillion, six hundred twenty-eight billion, four hundred ninety-three million, nine hundred forty-five thousand, six hundred ninety-six".