26442422158 has 4 divisors (see below), whose sum is σ = 39663633240. Its totient is φ = 13221211078.

The previous prime is 26442422143. The next prime is 26442422159. The reversal of 26442422158 is 85122424462.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85122424462 = 2 ⋅42561212231.

It is a self number, because there is not a number n which added to its sum of digits gives 26442422158.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26442422159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6610605538 + ... + 6610605541.

It is an arithmetic number, because the mean of its divisors is an integer number (9915908310).

Almost surely, 2^26442422158 is an apocalyptic number.

26442422158 is a deficient number, since it is larger than the sum of its proper divisors (13221211082).

26442422158 is a wasteful number, since it uses less digits than its factorization.

26442422158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13221211081.

The product of its digits is 245760, while the sum is 40.

The spelling of 26442422158 in words is "twenty-six billion, four hundred forty-two million, four hundred twenty-two thousand, one hundred fifty-eight".