26813380 has 48 divisors (see below), whose sum is σ = 61782336. Its totient is φ = 9694080.

The previous prime is 26813341. The next prime is 26813441. The reversal of 26813380 is 8331862.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67342 + ... + 67738.

It is an arithmetic number, because the mean of its divisors is an integer number (1287132).

Almost surely, 2^26813380 is an apocalyptic number.

26813380 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 26813380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30891168).

26813380 is an abundant number, since it is smaller than the sum of its proper divisors (34968956).

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

26813380 is a wasteful number, since it uses less digits than its factorization.

26813380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724 (or 722 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 26813380 is about 5178.1637672055. The cubic root of 26813380 is about 299.3072162151.

The spelling of 26813380 in words is "twenty-six million, eight hundred thirteen thousand, three hundred eighty".