25838182212 has 24 divisors (see below), whose sum is σ = 60329623200. Its totient is φ = 8606937216.

The previous prime is 25838182147. The next prime is 25838182301. The reversal of 25838182212 is 21228183852.

It is a super-2 number, since 2×25838182212² (a number of 22 digits) contains 22 as substring.

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, 705162 + ... + 740897.

It is an arithmetic number, because the mean of its divisors is an integer number (2513734300).

Almost surely, 2^25838182212 is an apocalyptic number.

It is an amenable number.

25838182212 is an abundant number, since it is smaller than the sum of its proper divisors (34491440988).

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

25838182212 is a wasteful number, since it uses less digits than its factorization.

25838182212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1447555 (or 1447553 counting only the distinct ones).

The product of its digits is 122880, while the sum is 42.

The spelling of 25838182212 in words is "twenty-five billion, eight hundred thirty-eight million, one hundred eighty-two thousand, two hundred twelve".