26404216 has 24 divisors (see below), whose sum is σ = 50389560. Its totient is φ = 12971040.

The previous prime is 26404187. The next prime is 26404223. The reversal of 26404216 is 61240462.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 29325 + ... + 30211.

It is an arithmetic number, because the mean of its divisors is an integer number (2099565).

Almost surely, 2^26404216 is an apocalyptic number.

It is an amenable number.

26404216 is a deficient number, since it is larger than the sum of its proper divisors (23985344).

26404216 is an equidigital number, since it uses as much as digits as its factorization.

26404216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015 (or 950 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 26404216 is about 5138.5032840313. The cubic root of 26404216 is about 297.7769602628.

Adding to 26404216 its reverse (61240462), we get a palindrome (87644678).

The spelling of 26404216 in words is "twenty-six million, four hundred four thousand, two hundred sixteen".