26226445690 has 16 divisors (see below), whose sum is σ = 47468421000. Its totient is φ = 10432618560.

The previous prime is 26226445673. The next prime is 26226445691. The reversal of 26226445690 is 9654462262.

It can be written as a sum of positive squares in 4 ways, for example, as 3684125809 + 22542319881 = 60697^2 + 150141^2 .

It is a super-2 number, since 2×26226445690² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26226445690.

It is not an unprimeable number, because it can be changed into a prime (26226445691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7243065 + ... + 7246684.

Almost surely, 2^26226445690 is an apocalyptic number.

26226445690 is a deficient number, since it is larger than the sum of its proper divisors (21241975310).

26226445690 is a wasteful number, since it uses less digits than its factorization.

26226445690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14489937.

The product of its (nonzero) digits is 1244160, while the sum is 46.

The spelling of 26226445690 in words is "twenty-six billion, two hundred twenty-six million, four hundred forty-five thousand, six hundred ninety".