26216467225 has 81 divisors (see below), whose sum is σ = 36657740343. Its totient is φ = 18590432640.

The previous prime is 26216467213. The next prime is 26216467231. The reversal of 26216467225 is 52276461262.

The square root of 26216467225 is 161915.

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

It can be written as a sum of positive squares in 13 ways, for example, as 20589667081 + 5626800144 = 143491^2 + 75012^2 .

It is not a de Polignac number, because 26216467225 - 2¹⁵ = 26216434457 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 494650299 + ... + 494650351.

Almost surely, 2^26216467225 is an apocalyptic number.

26216467225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

26216467225 is the 161915-th square number.

26216467225 is the 80958-th centered octagonal number.

It is an amenable number.

26216467225 is a deficient number, since it is larger than the sum of its proper divisors (10441273118).

26216467225 is an equidigital number, since it uses as much as digits as its factorization.

26216467225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236 (or 118 counting only the distinct ones).

The product of its digits is 483840, while the sum is 43.

The spelling of 26216467225 in words is "twenty-six billion, two hundred sixteen million, four hundred sixty-seven thousand, two hundred twenty-five".