26505516 has 48 divisors (see below), whose sum is σ = 67102560. Its totient is φ = 8110080.

The previous prime is 26505491. The next prime is 26505517. The reversal of 26505516 is 61550562.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26505517) by changing a digit.

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, 6780 + ... + 9948.

It is an arithmetic number, because the mean of its divisors is an integer number (1397970).

Almost surely, 2^26505516 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 26505516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33551280).

26505516 is an abundant number, since it is smaller than the sum of its proper divisors (40597044).

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

26505516 is a wasteful number, since it uses less digits than its factorization.

26505516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3234 (or 3232 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 26505516 is about 5148.3508038983. The cubic root of 26505516 is about 298.1572822568.

The spelling of 26505516 in words is "twenty-six million, five hundred five thousand, five hundred sixteen".