25795382208 has 56 divisors (see below), whose sum is σ = 72265013712. Its totient is φ = 8092667904.

The previous prime is 25795382149. The next prime is 25795382213. The reversal of 25795382208 is 80228359752.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (51).

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, 3948235 + ... + 3954762.

Almost surely, 2^25795382208 is an apocalyptic number.

It is an amenable number.

25795382208 is an abundant number, since it is smaller than the sum of its proper divisors (46469631504).

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

25795382208 is a wasteful number, since it uses less digits than its factorization.

25795382208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7903029 (or 7903019 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 51.

The spelling of 25795382208 in words is "twenty-five billion, seven hundred ninety-five million, three hundred eighty-two thousand, two hundred eight".