25303454232 has 256 divisors, whose sum is σ = 78379868160. Its totient is φ = 6650671104.

The previous prime is 25303454227. The next prime is 25303454233. The reversal of 25303454232 is 23245430352.

It is a junction number, because it is equal to n+sod(n) for n = 25303454193 and 25303454202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25303454233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11131048 + ... + 11133320.

It is an arithmetic number, because the mean of its divisors is an integer number (306171360).

Almost surely, 2^25303454232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25303454232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39189934080).

25303454232 is an abundant number, since it is smaller than the sum of its proper divisors (53076413928).

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

25303454232 is a wasteful number, since it uses less digits than its factorization.

25303454232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2422 (or 2418 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 33.

Adding to 25303454232 its reverse (23245430352), we get a palindrome (48548884584).

The spelling of 25303454232 in words is "twenty-five billion, three hundred three million, four hundred fifty-four thousand, two hundred thirty-two".