26055540 has 192 divisors, whose sum is σ = 94993920. Its totient is φ = 5806080.

The previous prime is 26055529. The next prime is 26055553. The reversal of 26055540 is 4555062.

26055540 is a `hidden beast` number, since 2 + 605 + 5 + 54 + 0 = 666.

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

It is a nialpdrome in base 12.

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 63 ways as a sum of consecutive naturals, for example, 230524 + ... + 230636.

It is an arithmetic number, because the mean of its divisors is an integer number (494760).

Almost surely, 2^26055540 is an apocalyptic number.

26055540 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 26055540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47496960).

26055540 is an abundant number, since it is smaller than the sum of its proper divisors (68938380).

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

26055540 is a wasteful number, since it uses less digits than its factorization.

26055540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 26055540 is about 5104.4627533169. The cubic root of 26055540 is about 296.4604017275.

The spelling of 26055540 in words is "twenty-six million, fifty-five thousand, five hundred forty".