26285380 has 48 divisors (see below), whose sum is σ = 60669504. Its totient is φ = 9486720.

The previous prime is 26285333. The next prime is 26285381. The reversal of 26285380 is 8358262.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (26285381) 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, 35494 + ... + 36226.

It is an arithmetic number, because the mean of its divisors is an integer number (1263948).

Almost surely, 2^26285380 is an apocalyptic number.

26285380 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 26285380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30334752).

26285380 is an abundant number, since it is smaller than the sum of its proper divisors (34384124).

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

26285380 is a wasteful number, since it uses less digits than its factorization.

26285380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916 (or 914 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 26285380 is about 5126.9269548142. The cubic root of 26285380 is about 297.3295589396.

It can be divided in two parts, 2628 and 5380, that added together give a palindrome (8008).

The spelling of 26285380 in words is "twenty-six million, two hundred eighty-five thousand, three hundred eighty".