26866442 has 16 divisors (see below), whose sum is σ = 41306112. Its totient is φ = 13100880.

The previous prime is 26866423. The next prime is 26866447. The reversal of 26866442 is 24466862.

It is a junction number, because it is equal to n+sod(n) for n = 26866396 and 26866405.

It is not an unprimeable number, because it can be changed into a prime (26866447) 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 in 7 ways as a sum of consecutive naturals, for example, 19583 + ... + 20909.

It is an arithmetic number, because the mean of its divisors is an integer number (2581632).

Almost surely, 2^26866442 is an apocalyptic number.

26866442 is a deficient number, since it is larger than the sum of its proper divisors (14439670).

26866442 is a wasteful number, since it uses less digits than its factorization.

26866442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1573.

The product of its digits is 110592, while the sum is 38.

The square root of 26866442 is about 5183.2848657970. The cubic root of 26866442 is about 299.5045228660.

The spelling of 26866442 in words is "twenty-six million, eight hundred sixty-six thousand, four hundred forty-two".