26380312 has 64 divisors (see below), whose sum is σ = 58752000. Its totient is φ = 10872576.

The previous prime is 26380283. The next prime is 26380331. The reversal of 26380312 is 21308362.

It is a super-2 number, since 2×26380312² = 1391841722434688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 296364 + ... + 296452.

It is an arithmetic number, because the mean of its divisors is an integer number (918000).

Almost surely, 2^26380312 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 26380312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29376000).

26380312 is an abundant number, since it is smaller than the sum of its proper divisors (32371688).

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

26380312 is a wasteful number, since it uses less digits than its factorization.

26380312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248 (or 244 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 26380312 is about 5136.1767882346. The cubic root of 26380312 is about 297.6870729817.

Adding to 26380312 its reverse (21308362), we get a palindrome (47688674).

The spelling of 26380312 in words is "twenty-six million, three hundred eighty thousand, three hundred twelve".