26535320 has 64 divisors (see below), whose sum is σ = 69007680. Its totient is φ = 8994816.

The previous prime is 26535293. The next prime is 26535329. The reversal of 26535320 is 2353562.

It is a self number, because there is not a number n which added to its sum of digits gives 26535320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26535329) 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, 26672 + ... + 27648.

It is an arithmetic number, because the mean of its divisors is an integer number (1078245).

Almost surely, 2^26535320 is an apocalyptic number.

26535320 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 26535320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34503840).

26535320 is an abundant number, since it is smaller than the sum of its proper divisors (42472360).

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

26535320 is a wasteful number, since it uses less digits than its factorization.

26535320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092 (or 1088 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 26535320 is about 5151.2445098248. The cubic root of 26535320 is about 298.2689942366.

Adding to 26535320 its reverse (2353562), we get a palindrome (28888882).

The spelling of 26535320 in words is "twenty-six million, five hundred thirty-five thousand, three hundred twenty".