25441360987250 has 64 divisors (see below), whose sum is σ = 51555535196256. Its totient is φ = 9345060864000.

The previous prime is 25441360987223. The next prime is 25441360987313. The reversal of 25441360987250 is 5278906314452.

It is a Cunningham number, because it is equal to 5043943²+1.

It can be written as a sum of positive squares in 16 ways, for example, as 10469437393801 + 14971923593449 = 3235651^2 + 3869357^2 .

It is a Curzon 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, 19652831 + ... + 20907330.

It is a 1-persistent number, because it is pandigital, but 2⋅25441360987250 = 50882721974500 is not.

Almost surely, 2^{25441360987250} is an apocalyptic number.

25441360987250 is an abundant number, since it is smaller than the sum of its proper divisors (26114174209006).

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

25441360987250 is a wasteful number, since it uses less digits than its factorization.

25441360987250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40560384 (or 40560374 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 56.

The spelling of 25441360987250 in words is "twenty-five trillion, four hundred forty-one billion, three hundred sixty million, nine hundred eighty-seven thousand, two hundred fifty".