26081320 has 16 divisors (see below), whose sum is σ = 58683060. Its totient is φ = 10432512.

The previous prime is 26081303. The next prime is 26081359. The reversal of 26081320 is 2318062.

It can be written as a sum of positive squares in 2 ways, for example, as 23990404 + 2090916 = 4898^2 + 1446^2 .

It is a junction number, because it is equal to n+sod(n) for n = 26081291 and 26081300.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 325977 + ... + 326056.

Almost surely, 2^26081320 is an apocalyptic number.

26081320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26081320 is an abundant number, since it is smaller than the sum of its proper divisors (32601740).

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

26081320 is a wasteful number, since it uses less digits than its factorization.

26081320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652044 (or 652040 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 26081320 is about 5106.9873702605. The cubic root of 26081320 is about 296.5581445991.

Adding to 26081320 its reverse (2318062), we get a palindrome (28399382).

The spelling of 26081320 in words is "twenty-six million, eighty-one thousand, three hundred twenty".