25842881828 has 24 divisors (see below), whose sum is σ = 45419472000. Its totient is φ = 12865997088.

The previous prime is 25842881809. The next prime is 25842881833. The reversal of 25842881828 is 82818824852.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 990851 + ... + 1016597.

It is an arithmetic number, because the mean of its divisors is an integer number (1892478000).

Almost surely, 2^25842881828 is an apocalyptic number.

It is an amenable number.

25842881828 is a deficient number, since it is larger than the sum of its proper divisors (19576590172).

25842881828 is a wasteful number, since it uses less digits than its factorization.

25842881828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26819 (or 26817 counting only the distinct ones).

The product of its digits is 5242880, while the sum is 56.

The spelling of 25842881828 in words is "twenty-five billion, eight hundred forty-two million, eight hundred eighty-one thousand, eight hundred twenty-eight".