26040641667 has 8 divisors (see below), whose sum is σ = 36763258896. Its totient is φ = 16339226112.

The previous prime is 26040641663. The next prime is 26040641747. The reversal of 26040641667 is 76614604062.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 26040641667 - 2² = 26040641663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26040641663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255300358 + ... + 255300459.

It is an arithmetic number, because the mean of its divisors is an integer number (4595407362).

Almost surely, 2^26040641667 is an apocalyptic number.

26040641667 is a deficient number, since it is larger than the sum of its proper divisors (10722617229).

26040641667 is a wasteful number, since it uses less digits than its factorization.

26040641667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510600837.

The product of its (nonzero) digits is 290304, while the sum is 42.

The spelling of 26040641667 in words is "twenty-six billion, forty million, six hundred forty-one thousand, six hundred sixty-seven".