26313320 has 64 divisors (see below), whose sum is σ = 65491200. Its totient is φ = 9434880.

The previous prime is 26313319. The next prime is 26313323. The reversal of 26313320 is 2331362.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 26313292 and 26313301.

It is not an unprimeable number, because it can be changed into a prime (26313323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34382 + ... + 35138.

It is an arithmetic number, because the mean of its divisors is an integer number (1023300).

Almost surely, 2^26313320 is an apocalyptic number.

26313320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26313320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32745600).

26313320 is an abundant number, since it is smaller than the sum of its proper divisors (39177880).

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

26313320 is a wasteful number, since it uses less digits than its factorization.

26313320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858 (or 854 counting only the distinct ones).

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

The square root of 26313320 is about 5129.6510602574. The cubic root of 26313320 is about 297.4348702847.

Adding to 26313320 its reverse (2331362), we get a palindrome (28644682).

The spelling of 26313320 in words is "twenty-six million, three hundred thirteen thousand, three hundred twenty".