25255388780352 has 42 divisors (see below), whose sum is σ = 72390011939778. Its totient is φ = 8418462926592.

The previous prime is 25255388780311. The next prime is 25255388780353. The reversal of 25255388780352 is 25308788355252.

25255388780352 is a `hidden beast` number, since 2 + 5 + 2 + 553 + 8 + 8 + 78 + 0 + 3 + 5 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 24162494167296 + 1092894613056 = 4915536^2 + 1045416^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 25255388780352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25255388780353) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21923079963 + ... + 21923081114.

Almost surely, 2^{25255388780352} is an apocalyptic number.

It is an amenable number.

25255388780352 is an abundant number, since it is smaller than the sum of its proper divisors (47134623159426).

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

25255388780352 is a wasteful number, since it uses less digits than its factorization.

25255388780352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43846161095 (or 43846161082 counting only the distinct ones).

The product of its (nonzero) digits is 161280000, while the sum is 63.

The spelling of 25255388780352 in words is "twenty-five trillion, two hundred fifty-five billion, three hundred eighty-eight million, seven hundred eighty thousand, three hundred fifty-two".