26168404478 has 8 divisors (see below), whose sum is σ = 40165458168. Its totient is φ = 12779918424.

The previous prime is 26168404477. The next prime is 26168404501. The reversal of 26168404478 is 87440486162.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26168404477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152141801 + ... + 152141972.

It is an arithmetic number, because the mean of its divisors is an integer number (5020682271).

Almost surely, 2^26168404478 is an apocalyptic number.

26168404478 is a deficient number, since it is larger than the sum of its proper divisors (13997053690).

26168404478 is a wasteful number, since it uses less digits than its factorization.

26168404478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304283818.

The product of its (nonzero) digits is 2064384, while the sum is 50.

The spelling of 26168404478 in words is "twenty-six billion, one hundred sixty-eight million, four hundred four thousand, four hundred seventy-eight".