26940635676 has 36 divisors (see below), whose sum is σ = 68920429032. Its totient is φ = 8872015584.

The previous prime is 26940635663. The next prime is 26940635677. The reversal of 26940635676 is 67653604962.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26940635677) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 4505151 + ... + 4511126.

It is an arithmetic number, because the mean of its divisors is an integer number (1914456362).

Almost surely, 2^26940635676 is an apocalyptic number.

It is an amenable number.

26940635676 is an abundant number, since it is smaller than the sum of its proper divisors (41979793356).

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

26940635676 is a wasteful number, since it uses less digits than its factorization.

26940635676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9016370 (or 9016365 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 54.

The spelling of 26940635676 in words is "twenty-six billion, nine hundred forty million, six hundred thirty-five thousand, six hundred seventy-six".