26242642 has 8 divisors (see below), whose sum is σ = 40279536. Its totient is φ = 12816132.

The previous prime is 26242639. The next prime is 26242681. The reversal of 26242642 is 24624262.

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

It is a self number, because there is not a number n which added to its sum of digits gives 26242642.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 152488 + ... + 152659.

It is an arithmetic number, because the mean of its divisors is an integer number (5034942).

It is a self-describing number.

Almost surely, 2^26242642 is an apocalyptic number.

26242642 is a deficient number, since it is larger than the sum of its proper divisors (14036894).

26242642 is a wasteful number, since it uses less digits than its factorization.

26242642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305192.

The product of its digits is 9216, while the sum is 28.

The square root of 26242642 is about 5122.7572653797. The cubic root of 26242642 is about 297.1683265494.

The spelling of 26242642 in words is "twenty-six million, two hundred forty-two thousand, six hundred forty-two".