26391650056 has 16 divisors (see below), whose sum is σ = 49486789440. Its totient is φ = 13195172880.

The previous prime is 26391650039. The next prime is 26391650057. The reversal of 26391650056 is 65005619362.

It is a junction number, because it is equal to n+sod(n) for n = 26391649994 and 26391650021.

It is not an unprimeable number, because it can be changed into a prime (26391650057) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 119685 + ... + 259051.

It is an arithmetic number, because the mean of its divisors is an integer number (3092924340).

Almost surely, 2^26391650056 is an apocalyptic number.

It is an amenable number.

26391650056 is a deficient number, since it is larger than the sum of its proper divisors (23095139384).

26391650056 is a wasteful number, since it uses less digits than its factorization.

26391650056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163044 (or 163040 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 43.

The spelling of 26391650056 in words is "twenty-six billion, three hundred ninety-one million, six hundred fifty thousand, fifty-six".