26854816860 has 36 divisors (see below), whose sum is σ = 81459611688. Its totient is φ = 7161284448.

The previous prime is 26854816837. The next prime is 26854816861. The reversal of 26854816860 is 6861845862.

26854816860 is a `hidden beast` number, since 2 + 6 + 8 + 548 + 16 + 86 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 26854816797 and 26854816806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26854816861) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74596534 + ... + 74596893.

Almost surely, 2^26854816860 is an apocalyptic number.

26854816860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26854816860 is an abundant number, since it is smaller than the sum of its proper divisors (54604794828).

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

26854816860 is a wasteful number, since it uses less digits than its factorization.

26854816860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149193442 (or 149193437 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 54.

The spelling of 26854816860 in words is "twenty-six billion, eight hundred fifty-four million, eight hundred sixteen thousand, eight hundred sixty".