26490330 has 24 divisors (see below), whose sum is σ = 68875092. Its totient is φ = 7064064.

The previous prime is 26490329. The next prime is 26490349. The reversal of 26490330 is 3309462.

It can be written as a sum of positive squares in 2 ways, for example, as 24176889 + 2313441 = 4917^2 + 1521^2 .

It is a junction number, because it is equal to n+sod(n) for n = 26490294 and 26490303.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 147079 + ... + 147258.

Almost surely, 2^26490330 is an apocalyptic number.

26490330 is an abundant number, since it is smaller than the sum of its proper divisors (42384762).

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

26490330 is a wasteful number, since it uses less digits than its factorization.

26490330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294350 (or 294347 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 26490330 is about 5146.8757513661. The cubic root of 26490330 is about 298.1003295646.

Adding to 26490330 its reverse (3309462), we get a palindrome (29799792).

The spelling of 26490330 in words is "twenty-six million, four hundred ninety thousand, three hundred thirty".