26026356458 has 4 divisors (see below), whose sum is σ = 39039534690. Its totient is φ = 13013178228.

The previous prime is 26026356457. The next prime is 26026356467. The reversal of 26026356458 is 85465362062.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 18652184329 + 7374172129 = 136573^2 + 85873^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26026356457) 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 as a sum of consecutive naturals, namely, 6506589113 + ... + 6506589116.

Almost surely, 2^26026356458 is an apocalyptic number.

26026356458 is a deficient number, since it is larger than the sum of its proper divisors (13013178232).

26026356458 is a wasteful number, since it uses less digits than its factorization.

26026356458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13013178231.

The product of its (nonzero) digits is 2073600, while the sum is 47.

The spelling of 26026356458 in words is "twenty-six billion, twenty-six million, three hundred fifty-six thousand, four hundred fifty-eight".