26450564 has 36 divisors (see below), whose sum is σ = 54718272. Its totient is φ = 10959120.

The previous prime is 26450563. The next prime is 26450579. The reversal of 26450564 is 46505462.

It is a self number, because there is not a number n which added to its sum of digits gives 26450564.

It is not an unprimeable number, because it can be changed into a prime (26450561) 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 11 ways as a sum of consecutive naturals, for example, 26417 + ... + 27399.

It is an arithmetic number, because the mean of its divisors is an integer number (1519952).

Almost surely, 2^26450564 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 26450564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27359136).

26450564 is an abundant number, since it is smaller than the sum of its proper divisors (28267708).

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

26450564 is a wasteful number, since it uses less digits than its factorization.

26450564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056 (or 1023 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 26450564 is about 5143.0111802328. The cubic root of 26450564 is about 297.9510902719.

The spelling of 26450564 in words is "twenty-six million, four hundred fifty thousand, five hundred sixty-four".