26380000 has 60 divisors (see below), whose sum is σ = 64947960. Its totient is φ = 10544000.

The previous prime is 26379989. The next prime is 26380007. The reversal of 26380000 is 8362.

It is a self number, because there is not a number n which added to its sum of digits gives 26380000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26380007) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 19341 + ... + 20659.

It is an arithmetic number, because the mean of its divisors is an integer number (1082466).

Almost surely, 2^26380000 is an apocalyptic number.

26380000 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 26380000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32473980).

26380000 is an abundant number, since it is smaller than the sum of its proper divisors (38567960).

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

26380000 is an equidigital number, since it uses as much as digits as its factorization.

26380000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349 (or 1326 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 26380000 is about 5136.1464153585. The cubic root of 26380000 is about 297.6858993952.

Adding to 26380000 its reverse (8362), we get a palindrome (26388362).

The spelling of 26380000 in words is "twenty-six million, three hundred eighty thousand".