26186140 has 24 divisors (see below), whose sum is σ = 56271600. Its totient is φ = 10230528.

The previous prime is 26186119. The next prime is 26186177. The reversal of 26186140 is 4168162.

It is a junction number, because it is equal to n+sod(n) for n = 26186099 and 26186108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14365 + ... + 16084.

It is an arithmetic number, because the mean of its divisors is an integer number (2344650).

Almost surely, 2^26186140 is an apocalyptic number.

26186140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26186140 is an abundant number, since it is smaller than the sum of its proper divisors (30085460).

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

26186140 is a wasteful number, since it uses less digits than its factorization.

26186140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30501 (or 30499 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 26186140 is about 5117.2394901939. The cubic root of 26186140 is about 296.9548994915.

The spelling of 26186140 in words is "twenty-six million, one hundred eighty-six thousand, one hundred forty".