26668631132224 has 21 divisors (see below), whose sum is σ = 52920646884301. Its totient is φ = 13334294909440.

The previous prime is 26668631132201. The next prime is 26668631132287. The reversal of 26668631132224 is 42223113686662.

The square root of 26668631132224 is 5164168.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 972653557824 + 25695977574400 = 986232^2 + 5069120^2 .

It is a super-2 number, since 2×26668631132224² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 40990584 + ... + 41636104.

Almost surely, 2^{26668631132224} is an apocalyptic number.

26668631132224 is the 5164168-th square number.

It is an amenable number.

26668631132224 is a deficient number, since it is larger than the sum of its proper divisors (26252015752077).

26668631132224 is an frugal number, since it uses more digits than its factorization.

26668631132224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291054 (or 645523 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 52.

The spelling of 26668631132224 in words is "twenty-six trillion, six hundred sixty-eight billion, six hundred thirty-one million, one hundred thirty-two thousand, two hundred twenty-four".