26528642 has 16 divisors (see below), whose sum is σ = 46249920. Its totient is φ = 11176368.

The previous prime is 26528641. The next prime is 26528647. The reversal of 26528642 is 24682562.

It is not an unprimeable number, because it can be changed into a prime (26528641) 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 7 ways as a sum of consecutive naturals, for example, 15233 + ... + 16884.

It is an arithmetic number, because the mean of its divisors is an integer number (2890620).

Almost surely, 2^26528642 is an apocalyptic number.

26528642 is a deficient number, since it is larger than the sum of its proper divisors (19721278).

26528642 is a wasteful number, since it uses less digits than its factorization.

26528642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32185.

The product of its digits is 46080, while the sum is 35.

The square root of 26528642 is about 5150.5962761607. The cubic root of 26528642 is about 298.2439708909.

The spelling of 26528642 in words is "twenty-six million, five hundred twenty-eight thousand, six hundred forty-two".