26786520 has 96 divisors (see below), whose sum is σ = 89453520. Its totient is φ = 6946560.

The previous prime is 26786497. The next prime is 26786521. The reversal of 26786520 is 2568762.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26786521) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 12315 + ... + 14325.

Almost surely, 2^26786520 is an apocalyptic number.

26786520 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 26786520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44726760).

26786520 is an abundant number, since it is smaller than the sum of its proper divisors (62667000).

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

26786520 is a wasteful number, since it uses less digits than its factorization.

26786520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2065 (or 2058 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 26786520 is about 5175.5695338774. The cubic root of 26786520 is about 299.2072402854.

The spelling of 26786520 in words is "twenty-six million, seven hundred eighty-six thousand, five hundred twenty".