26540636322 has 32 divisors (see below), whose sum is σ = 53443152000. Its totient is φ = 8786653568.

The previous prime is 26540636281. The next prime is 26540636327. The reversal of 26540636322 is 22363604562.

It is not an unprimeable number, because it can be changed into a prime (26540636327) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1281304 + ... + 1301852.

It is an arithmetic number, because the mean of its divisors is an integer number (1670098500).

Almost surely, 2^26540636322 is an apocalyptic number.

26540636322 is an abundant number, since it is smaller than the sum of its proper divisors (26902515678).

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

26540636322 is a wasteful number, since it uses less digits than its factorization.

26540636322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22010.

The product of its (nonzero) digits is 311040, while the sum is 39.

The spelling of 26540636322 in words is "twenty-six billion, five hundred forty million, six hundred thirty-six thousand, three hundred twenty-two".