25938263232 has 392 divisors, whose sum is σ = 90296000256. Its totient is φ = 7234665984.

The previous prime is 25938263207. The next prime is 25938263251. The reversal of 25938263232 is 23236283952.

25938263232 is a `hidden beast` number, since 2 + 5 + 9 + 3 + 8 + 2 + 632 + 3 + 2 = 666.

It is an unprimeable number.

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 55 ways as a sum of consecutive naturals, for example, 14042533 + ... + 14044379.

Almost surely, 2^25938263232 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 25938263232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45148000128).

25938263232 is an abundant number, since it is smaller than the sum of its proper divisors (64357737024).

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

25938263232 is an equidigital number, since it uses as much as digits as its factorization.

25938263232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1927 (or 1902 counting only the distinct ones).

The product of its digits is 933120, while the sum is 45.

The spelling of 25938263232 in words is "twenty-five billion, nine hundred thirty-eight million, two hundred sixty-three thousand, two hundred thirty-two".