26321330 has 24 divisors (see below), whose sum is σ = 55114668. Its totient is φ = 9024288.

The previous prime is 26321329. The next prime is 26321353. The reversal of 26321330 is 3312362.

It can be written as a sum of positive squares in 2 ways, for example, as 26183689 + 137641 = 5117^2 + 371^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 26369 + ... + 27348.

Almost surely, 2^26321330 is an apocalyptic number.

26321330 is an abundant number, since it is smaller than the sum of its proper divisors (28793338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26321330 is a wasteful number, since it uses less digits than its factorization.

26321330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53738 (or 53731 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 26321330 is about 5130.4317557102. The cubic root of 26321330 is about 297.4650477969.

Adding to 26321330 its reverse (3312362), we get a palindrome (29633692).

The spelling of 26321330 in words is "twenty-six million, three hundred twenty-one thousand, three hundred thirty".