25805417708 has 48 divisors (see below), whose sum is σ = 52201304064. Its totient is φ = 10933306560.

The previous prime is 25805417689. The next prime is 25805417719. The reversal of 25805417708 is 80771450852.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1743218 + ... + 1757958.

It is an arithmetic number, because the mean of its divisors is an integer number (1087527168).

Almost surely, 2^25805417708 is an apocalyptic number.

25805417708 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

25805417708 is an abundant number, since it is smaller than the sum of its proper divisors (26395886356).

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

25805417708 is a wasteful number, since it uses less digits than its factorization.

25805417708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15462 (or 15460 counting only the distinct ones).

The product of its (nonzero) digits is 627200, while the sum is 47.

The spelling of 25805417708 in words is "twenty-five billion, eight hundred five million, four hundred seventeen thousand, seven hundred eight".