25668285306 has 16 divisors (see below), whose sum is σ = 51865814784. Its totient is φ = 8467887744.

The previous prime is 25668285289. The next prime is 25668285347. The reversal of 25668285306 is 60358286652.

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, 22051210 + ... + 22052373.

It is an arithmetic number, because the mean of its divisors is an integer number (3241613424).

Almost surely, 2^25668285306 is an apocalyptic number.

25668285306 is an abundant number, since it is smaller than the sum of its proper divisors (26197529478).

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

25668285306 is a wasteful number, since it uses less digits than its factorization.

25668285306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44103685.

The product of its (nonzero) digits is 4147200, while the sum is 51.

The spelling of 25668285306 in words is "twenty-five billion, six hundred sixty-eight million, two hundred eighty-five thousand, three hundred six".