26216642 has 8 divisors (see below), whose sum is σ = 41034816. Its totient is φ = 12538372.

The previous prime is 26216639. The next prime is 26216653. The reversal of 26216642 is 24661262.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284918 + ... + 285009.

It is an arithmetic number, because the mean of its divisors is an integer number (5129352).

Almost surely, 2^26216642 is an apocalyptic number.

26216642 is a deficient number, since it is larger than the sum of its proper divisors (14818174).

26216642 is a wasteful number, since it uses less digits than its factorization.

26216642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569952.

The product of its digits is 6912, while the sum is 29.

The square root of 26216642 is about 5120.2189406313. The cubic root of 26216642 is about 297.0701538941.

The spelling of 26216642 in words is "twenty-six million, two hundred sixteen thousand, six hundred forty-two".