26365387808 has 48 divisors (see below), whose sum is σ = 53084086776. Its totient is φ = 12886917120.

The previous prime is 26365387733. The next prime is 26365387823. The reversal of 26365387808 is 80878356362.

It can be written as a sum of positive squares in 4 ways, for example, as 23941991824 + 2423395984 = 154732^2 + 49228^2 .

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, 214028 + ... + 313908.

Almost surely, 2^26365387808 is an apocalyptic number.

It is an amenable number.

26365387808 is an abundant number, since it is smaller than the sum of its proper divisors (26718698968).

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

26365387808 is a wasteful number, since it uses less digits than its factorization.

26365387808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100077 (or 100069 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 56.

The spelling of 26365387808 in words is "twenty-six billion, three hundred sixty-five million, three hundred eighty-seven thousand, eight hundred eight".