25983472266 has 48 divisors (see below), whose sum is σ = 57690360000. Its totient is φ = 8447019840.

The previous prime is 25983472261. The next prime is 25983472267. The reversal of 25983472266 is 66227438952.

25983472266 is a `hidden beast` number, since 2 + 598 + 3 + 47 + 2 + 2 + 6 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (25983472261) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3685741 + ... + 3692783.

It is an arithmetic number, because the mean of its divisors is an integer number (1201882500).

Almost surely, 2^25983472266 is an apocalyptic number.

25983472266 is an abundant number, since it is smaller than the sum of its proper divisors (31706887734).

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

25983472266 is a wasteful number, since it uses less digits than its factorization.

25983472266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12091 (or 12088 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 54.

The spelling of 25983472266 in words is "twenty-five billion, nine hundred eighty-three million, four hundred seventy-two thousand, two hundred sixty-six".