26765412906 has 64 divisors (see below), whose sum is σ = 55315353600. Its totient is φ = 8627561280.

The previous prime is 26765412889. The next prime is 26765412907. The reversal of 26765412906 is 60921456762.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26765412907) 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 31 ways as a sum of consecutive naturals, for example, 44683195 + ... + 44683793.

It is an arithmetic number, because the mean of its divisors is an integer number (864302400).

Almost surely, 2^26765412906 is an apocalyptic number.

26765412906 is an abundant number, since it is smaller than the sum of its proper divisors (28549940694).

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

26765412906 is a wasteful number, since it uses less digits than its factorization.

26765412906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1539.

The product of its (nonzero) digits is 1088640, while the sum is 48.

The spelling of 26765412906 in words is "twenty-six billion, seven hundred sixty-five million, four hundred twelve thousand, nine hundred six".