25430825861328 has 40 divisors (see below), whose sum is σ = 65763543149568. Its totient is φ = 8468265436672.

The previous prime is 25430825861299. The next prime is 25430825861347. The reversal of 25430825861328 is 82316852803452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271093776 + ... + 271187567.

Almost surely, 2^{25430825861328} is an apocalyptic number.

It is an amenable number.

25430825861328 is an abundant number, since it is smaller than the sum of its proper divisors (40332717288240).

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

25430825861328 is a wasteful number, since it uses less digits than its factorization.

25430825861328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542282331 (or 542282325 counting only the distinct ones).

The product of its (nonzero) digits is 22118400, while the sum is 57.

The spelling of 25430825861328 in words is "twenty-five trillion, four hundred thirty billion, eight hundred twenty-five million, eight hundred sixty-one thousand, three hundred twenty-eight".