26243320 has 32 divisors (see below), whose sum is σ = 59220720. Its totient is φ = 10466560.

The previous prime is 26243317. The next prime is 26243353. The reversal of 26243320 is 2334262.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 26243291 and 26243300.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 16980 + ... + 18460.

Almost surely, 2^26243320 is an apocalyptic number.

26243320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26243320 is an abundant number, since it is smaller than the sum of its proper divisors (32977400).

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

26243320 is a wasteful number, since it uses less digits than its factorization.

26243320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1935 (or 1931 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 26243320 is about 5122.8234402525. The cubic root of 26243320 is about 297.1708857225.

Adding to 26243320 its reverse (2334262), we get a palindrome (28577582).

The spelling of 26243320 in words is "twenty-six million, two hundred forty-three thousand, three hundred twenty".