26842664 has 16 divisors (see below), whose sum is σ = 51501120. Its totient is φ = 13109040.

The previous prime is 26842663. The next prime is 26842691. The reversal of 26842664 is 46624862.

It is a super-2 number, since 2×26842664² = 1441057221233792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26842663) by changing a digit.

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, 38672 + ... + 39359.

It is an arithmetic number, because the mean of its divisors is an integer number (3218820).

Almost surely, 2^26842664 is an apocalyptic number.

It is an amenable number.

26842664 is a deficient number, since it is larger than the sum of its proper divisors (24658456).

26842664 is a wasteful number, since it uses less digits than its factorization.

26842664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78080 (or 78076 counting only the distinct ones).

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

The square root of 26842664 is about 5180.9906388643. The cubic root of 26842664 is about 299.4161384971.

The spelling of 26842664 in words is "twenty-six million, eight hundred forty-two thousand, six hundred sixty-four".