26105560 has 64 divisors (see below), whose sum is σ = 64370880. Its totient is φ = 9469440.

The previous prime is 26105551. The next prime is 26105567. The reversal of 26105560 is 6550162.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26105567) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 31309 + ... + 32131.

It is an arithmetic number, because the mean of its divisors is an integer number (1005795).

Almost surely, 2^26105560 is an apocalyptic number.

26105560 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 26105560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32185440).

26105560 is an abundant number, since it is smaller than the sum of its proper divisors (38265320).

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

26105560 is a wasteful number, since it uses less digits than its factorization.

26105560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908 (or 904 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 26105560 is about 5109.3600382044. The cubic root of 26105560 is about 296.6499899447.

The spelling of 26105560 in words is "twenty-six million, one hundred five thousand, five hundred sixty".