26968442 has 4 divisors (see below), whose sum is σ = 40452666. Its totient is φ = 13484220.

The previous prime is 26968441. The next prime is 26968471. The reversal of 26968442 is 24486962.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 20151121 + 6817321 = 4489^2 + 2611^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 26968442.

It is not an unprimeable number, because it can be changed into a prime (26968441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6742109 + ... + 6742112.

Almost surely, 2^26968442 is an apocalyptic number.

26968442 is a deficient number, since it is larger than the sum of its proper divisors (13484224).

26968442 is a wasteful number, since it uses less digits than its factorization.

26968442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13484223.

The product of its digits is 165888, while the sum is 41.

The square root of 26968442 is about 5193.1148648956. The cubic root of 26968442 is about 299.8830729513.

The spelling of 26968442 in words is "twenty-six million, nine hundred sixty-eight thousand, four hundred forty-two".