26000642 has 16 divisors (see below), whose sum is σ = 40332600. Its totient is φ = 12562560.

The previous prime is 26000641. The next prime is 26000647. The reversal of 26000642 is 24600062.

It can be written as a sum of positive squares in 4 ways, for example, as 22648081 + 3352561 = 4759^2 + 1831^2 .

It is not an unprimeable number, because it can be changed into a prime (26000641) 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, 7484 + ... + 10392.

Almost surely, 2^26000642 is an apocalyptic number.

26000642 is a deficient number, since it is larger than the sum of its proper divisors (14331958).

26000642 is a wasteful number, since it uses less digits than its factorization.

26000642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3061.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 26000642 is about 5099.0824664836. The cubic root of 26000642 is about 296.2520451828.

The spelling of 26000642 in words is "twenty-six million, six hundred forty-two", and thus it is an aban number.