26726224801 has 4 divisors (see below), whose sum is σ = 26728992900. Its totient is φ = 26723456704.

The previous prime is 26726224783. The next prime is 26726224817. The reversal of 26726224801 is 10842262762.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10842262762 = 2 ⋅5421131381.

It can be written as a sum of positive squares in 2 ways, for example, as 22760248225 + 3965976576 = 150865^2 + 62976^2 .

It is a cyclic number.

It is not a de Polignac number, because 26726224801 - 2⁵ = 26726224769 is a prime.

It is a super-2 number, since 2×26726224801² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26726224001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1369516 + ... + 1388893.

It is an arithmetic number, because the mean of its divisors is an integer number (6682248225).

Almost surely, 2^26726224801 is an apocalyptic number.

It is an amenable number.

26726224801 is a deficient number, since it is larger than the sum of its proper divisors (2768099).

26726224801 is an equidigital number, since it uses as much as digits as its factorization.

26726224801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2768098.

The product of its (nonzero) digits is 129024, while the sum is 40.

The spelling of 26726224801 in words is "twenty-six billion, seven hundred twenty-six million, two hundred twenty-four thousand, eight hundred one".