26624666828 has 24 divisors (see below), whose sum is σ = 47366187120. Its totient is φ = 13091555520.

The previous prime is 26624666779. The next prime is 26624666843. The reversal of 26624666828 is 82866642662.

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 7 ways as a sum of consecutive naturals, for example, 2145650 + ... + 2158022.

It is an arithmetic number, because the mean of its divisors is an integer number (1973591130).

Almost surely, 2^26624666828 is an apocalyptic number.

It is an amenable number.

26624666828 is a deficient number, since it is larger than the sum of its proper divisors (20741520292).

26624666828 is a wasteful number, since it uses less digits than its factorization.

26624666828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21257 (or 21255 counting only the distinct ones).

The product of its digits is 15925248, while the sum is 56.

The spelling of 26624666828 in words is "twenty-six billion, six hundred twenty-four million, six hundred sixty-six thousand, eight hundred twenty-eight".