26382450868225 has 9 divisors (see below), whose sum is σ = 32714270922217. Its totient is φ = 21105940149040.

The previous prime is 26382450868211. The next prime is 26382450868253. The reversal of 26382450868225 is 52286805428362.

The square root of 26382450868225 is 5136385.

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

It can be written as a sum of positive squares in 4 ways, for example, as 11959652142529 + 14422798725696 = 3458273^2 + 3797736^2 .

It is not a de Polignac number, because 26382450868225 - 2²⁵ = 26382417313793 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 25168287 + ... + 26195563.

Almost surely, 2^{26382450868225} is an apocalyptic number.

26382450868225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

26382450868225 is the 5136385-th square number.

26382450868225 is the 2568193-rd centered octagonal number.

It is an amenable number.

26382450868225 is a deficient number, since it is larger than the sum of its proper divisors (6331820053992).

26382450868225 is an frugal number, since it uses more digits than its factorization.

26382450868225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2054564 (or 1027282 counting only the distinct ones).

The product of its (nonzero) digits is 88473600, while the sum is 61.

The spelling of 26382450868225 in words is "twenty-six trillion, three hundred eighty-two billion, four hundred fifty million, eight hundred sixty-eight thousand, two hundred twenty-five".