25252808308 has 24 divisors (see below), whose sum is σ = 54390664832. Its totient is φ = 9990121824.

The previous prime is 25252808303. The next prime is 25252808309. The reversal of 25252808308 is 80380825252.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25252808303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34687560 + ... + 34688287.

Almost surely, 2^25252808308 is an apocalyptic number.

25252808308 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

25252808308 is an abundant number, since it is smaller than the sum of its proper divisors (29137856524).

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

25252808308 is a wasteful number, since it uses less digits than its factorization.

25252808308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69375871 (or 69375869 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 43.

The spelling of 25252808308 in words is "twenty-five billion, two hundred fifty-two million, eight hundred eight thousand, three hundred eight".