26864450 has 18 divisors (see below), whose sum is σ = 50036139. Its totient is φ = 10731120.

The previous prime is 26864429. The next prime is 26864459. The reversal of 26864450 is 5446862.

It can be written as a sum of positive squares in 5 ways, for example, as 24671089 + 2193361 = 4967^2 + 1481^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=3665.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26864450.

It is not an unprimeable number, because it can be changed into a prime (26864459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 36284 + ... + 37016.

Almost surely, 2^26864450 is an apocalyptic number.

26864450 is a deficient number, since it is larger than the sum of its proper divisors (23171689).

26864450 is an frugal number, since it uses more digits than its factorization.

26864450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1478 (or 740 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 26864450 is about 5183.0927060974. The cubic root of 26864450 is about 299.4971204746.

The spelling of 26864450 in words is "twenty-six million, eight hundred sixty-four thousand, four hundred fifty".