25082209308 has 96 divisors (see below), whose sum is σ = 63734809600. Its totient is φ = 7631241984.

The previous prime is 25082209289. The next prime is 25082209331. The reversal of 25082209308 is 80390228052.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10524285 + ... + 10526667.

Almost surely, 2^25082209308 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 25082209308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31867404800).

25082209308 is an abundant number, since it is smaller than the sum of its proper divisors (38652600292).

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

25082209308 is a wasteful number, since it uses less digits than its factorization.

25082209308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3131 (or 3129 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The spelling of 25082209308 in words is "twenty-five billion, eighty-two million, two hundred nine thousand, three hundred eight".