26020306818 has 36 divisors (see below), whose sum is σ = 61968476934. Its totient is φ = 7884940800.

The previous prime is 26020306787. The next prime is 26020306877. The reversal of 26020306818 is 81860302062.

26020306818 is a `hidden beast` number, since 2 + 602 + 0 + 30 + 6 + 8 + 18 = 666.

It can be written as a sum of positive squares in only one way, i.e., 22337394849 + 3682911969 = 149457^2 + 60687^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5971263 + ... + 5975618.

Almost surely, 2^26020306818 is an apocalyptic number.

26020306818 is an abundant number, since it is smaller than the sum of its proper divisors (35948170116).

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

26020306818 is a wasteful number, since it uses less digits than its factorization.

26020306818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11946911 (or 11946897 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The spelling of 26020306818 in words is "twenty-six billion, twenty million, three hundred six thousand, eight hundred eighteen".