26642156 has 12 divisors (see below), whose sum is σ = 46686192. Its totient is φ = 13303248.

The previous prime is 26642149. The next prime is 26642159. The reversal of 26642156 is 65124662.

It is not an unprimeable number, because it can be changed into a prime (26642159) 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 3 ways as a sum of consecutive naturals, for example, 755 + ... + 7338.

It is an arithmetic number, because the mean of its divisors is an integer number (3890516).

Almost surely, 2^26642156 is an apocalyptic number.

It is an amenable number.

26642156 is a deficient number, since it is larger than the sum of its proper divisors (20044036).

26642156 is a wasteful number, since it uses less digits than its factorization.

26642156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8920 (or 8918 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 26642156 is about 5161.6040142576. The cubic root of 26642156 is about 298.6687531963.

The spelling of 26642156 in words is "twenty-six million, six hundred forty-two thousand, one hundred fifty-six".