26318713450 has 12 divisors (see below), whose sum is σ = 48952807110. Its totient is φ = 10527485360.

The previous prime is 26318713441. The next prime is 26318713453. The reversal of 26318713450 is 5431781362.

It can be written as a sum of positive squares in 3 ways, for example, as 24479418681 + 1839294769 = 156459^2 + 42887^2 .

It is not an unprimeable number, because it can be changed into a prime (26318713453) 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 5 ways as a sum of consecutive naturals, for example, 263187085 + ... + 263187184.

Almost surely, 2^26318713450 is an apocalyptic number.

26318713450 is a deficient number, since it is larger than the sum of its proper divisors (22634093660).

26318713450 is a wasteful number, since it uses less digits than its factorization.

26318713450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526374281 (or 526374276 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 26318713450 in words is "twenty-six billion, three hundred eighteen million, seven hundred thirteen thousand, four hundred fifty".