26380512 has 96 divisors (see below), whose sum is σ = 81043200. Its totient is φ = 8325504.

The previous prime is 26380511. The next prime is 26380573. The reversal of 26380512 is 21508362.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26380511) 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, 15613 + ... + 17219.

It is an arithmetic number, because the mean of its divisors is an integer number (844200).

Almost surely, 2^26380512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26380512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40521600).

26380512 is an abundant number, since it is smaller than the sum of its proper divisors (54662688).

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

26380512 is a wasteful number, since it uses less digits than its factorization.

26380512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1645 (or 1631 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 26380512 is about 5136.1962579325. The cubic root of 26380512 is about 297.6878252758.

Adding to 26380512 its reverse (21508362), we get a palindrome (47888874).

The spelling of 26380512 in words is "twenty-six million, three hundred eighty thousand, five hundred twelve".