26544560 has 80 divisors (see below), whose sum is σ = 71352576. Its totient is φ = 8995584.

The previous prime is 26544559. The next prime is 26544563. The reversal of 26544560 is 6544562.

26544560 = T₃₂₅₆ + T₃₂₅₇ + ... + T₃₂₆₀.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×26544560² = 1409227331187200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26544563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59699 + ... + 60141.

Almost surely, 2^26544560 is an apocalyptic number.

26544560 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 26544560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35676288).

26544560 is an abundant number, since it is smaller than the sum of its proper divisors (44808016).

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

26544560 is a wasteful number, since it uses less digits than its factorization.

26544560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570 (or 564 counting only the distinct ones).

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

The square root of 26544560 is about 5152.1413024101. The cubic root of 26544560 is about 298.3036108115.

The spelling of 26544560 in words is "twenty-six million, five hundred forty-four thousand, five hundred sixty".