26942656 has 84 divisors (see below), whose sum is σ = 60240672. Its totient is φ = 11940864.

The previous prime is 26942633. The next prime is 26942681. The reversal of 26942656 is 65624962.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 508326 + ... + 508378.

Almost surely, 2^26942656 is an apocalyptic number.

26942656 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26942656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30120336).

26942656 is an abundant number, since it is smaller than the sum of its proper divisors (33298016).

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

26942656 is a wasteful number, since it uses less digits than its factorization.

26942656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138 (or 115 counting only the distinct ones).

The product of its digits is 155520, while the sum is 40.

The square root of 26942656 is about 5190.6315608026. The cubic root of 26942656 is about 299.7874642789.

The spelling of 26942656 in words is "twenty-six million, nine hundred forty-two thousand, six hundred fifty-six".