25841855320 has 16 divisors (see below), whose sum is σ = 58144174560. Its totient is φ = 10336742112.

The previous prime is 25841855309. The next prime is 25841855327. The reversal of 25841855320 is 2355814852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25841855327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323023152 + ... + 323023231.

It is an arithmetic number, because the mean of its divisors is an integer number (3634010910).

Almost surely, 2^25841855320 is an apocalyptic number.

25841855320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25841855320 is an abundant number, since it is smaller than the sum of its proper divisors (32302319240).

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

25841855320 is a wasteful number, since it uses less digits than its factorization.

25841855320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646046394 (or 646046390 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 43.

The spelling of 25841855320 in words is "twenty-five billion, eight hundred forty-one million, eight hundred fifty-five thousand, three hundred twenty".