25655233332 has 24 divisors (see below), whose sum is σ = 61793251072. Its totient is φ = 8275881600.

The previous prime is 25655233291. The next prime is 25655233397. The reversal of 25655233332 is 23333255652.

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, 34482469 + ... + 34483212.

Almost surely, 2^25655233332 is an apocalyptic number.

It is an amenable number.

25655233332 is an abundant number, since it is smaller than the sum of its proper divisors (36138017740).

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

25655233332 is a wasteful number, since it uses less digits than its factorization.

25655233332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68965719 (or 68965717 counting only the distinct ones).

The product of its digits is 486000, while the sum is 39.

Adding to 25655233332 its reverse (23333255652), we get a palindrome (48988488984).

The spelling of 25655233332 in words is "twenty-five billion, six hundred fifty-five million, two hundred thirty-three thousand, three hundred thirty-two".