26564536 has 8 divisors (see below), whose sum is σ = 49808520. Its totient is φ = 13282264.

The previous prime is 26564521. The next prime is 26564537. The reversal of 26564536 is 63546562.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 26564495 and 26564504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26564537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1660276 + ... + 1660291.

It is an arithmetic number, because the mean of its divisors is an integer number (6226065).

Almost surely, 2^26564536 is an apocalyptic number.

It is an amenable number.

26564536 is a deficient number, since it is larger than the sum of its proper divisors (23243984).

26564536 is a wasteful number, since it uses less digits than its factorization.

26564536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3320573 (or 3320569 counting only the distinct ones).

The product of its digits is 129600, while the sum is 37.

The square root of 26564536 is about 5154.0795492503. The cubic root of 26564536 is about 298.3784211025.

The spelling of 26564536 in words is "twenty-six million, five hundred sixty-four thousand, five hundred thirty-six".