26442422178 has 32 divisors (see below), whose sum is σ = 53898177600. Its totient is φ = 8645347776.

The previous prime is 26442422159. The next prime is 26442422221. The reversal of 26442422178 is 87122424462.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1331788 + ... + 1351496.

It is an arithmetic number, because the mean of its divisors is an integer number (1684318050).

Almost surely, 2^26442422178 is an apocalyptic number.

26442422178 is an abundant number, since it is smaller than the sum of its proper divisors (27455755422).

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

26442422178 is a wasteful number, since it uses less digits than its factorization.

26442422178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23986.

The product of its digits is 344064, while the sum is 42.

The spelling of 26442422178 in words is "twenty-six billion, four hundred forty-two million, four hundred twenty-two thousand, one hundred seventy-eight".