26450449 has 9 divisors (see below), whose sum is σ = 27381627. Its totient is φ = 25550424.

The previous prime is 26450447. The next prime is 26450477. The reversal of 26450449 is 94405462.

The square root of 26450449 is 5143.

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., 23668225 + 2782224 = 4865^2 + 1668^2 .

It is not a de Polignac number, because 26450449 - 2¹ = 26450447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26450447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 190222 + ... + 190360.

It is an arithmetic number, because the mean of its divisors is an integer number (3042403).

Almost surely, 2^26450449 is an apocalyptic number.

26450449 is the 5143-rd square number.

26450449 is the 2572-nd centered octagonal number.

It is an amenable number.

26450449 is a deficient number, since it is larger than the sum of its proper divisors (931178).

26450449 is an frugal number, since it uses more digits than its factorization.

26450449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352 (or 176 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The cubic root of 26450449 is about 297.9506584673.

The spelling of 26450449 in words is "twenty-six million, four hundred fifty thousand, four hundred forty-nine".