26662992 has 40 divisors (see below), whose sum is σ = 69561024. Its totient is φ = 8799744.

The previous prime is 26662991. The next prime is 26663017. The reversal of 26662992 is 29926662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26662991) 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 7 ways as a sum of consecutive naturals, for example, 2248 + ... + 7640.

Almost surely, 2^26662992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26662992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34780512).

26662992 is an abundant number, since it is smaller than the sum of its proper divisors (42898032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26662992 is a wasteful number, since it uses less digits than its factorization.

26662992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5507 (or 5501 counting only the distinct ones).

The product of its digits is 139968, while the sum is 42.

The square root of 26662992 is about 5163.6219846151. The cubic root of 26662992 is about 298.7465927495.

The spelling of 26662992 in words is "twenty-six million, six hundred sixty-two thousand, nine hundred ninety-two".