26268054278 has 4 divisors (see below), whose sum is σ = 39402081420. Its totient is φ = 13134027138.

The previous prime is 26268054277. The next prime is 26268054283. The reversal of 26268054278 is 87245086262.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×26268054278³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26268054277) 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, 6567013568 + ... + 6567013571.

It is an arithmetic number, because the mean of its divisors is an integer number (9850520355).

Almost surely, 2^26268054278 is an apocalyptic number.

26268054278 is a deficient number, since it is larger than the sum of its proper divisors (13134027142).

26268054278 is a wasteful number, since it uses less digits than its factorization.

26268054278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13134027141.

The product of its (nonzero) digits is 2580480, while the sum is 50.

The spelling of 26268054278 in words is "twenty-six billion, two hundred sixty-eight million, fifty-four thousand, two hundred seventy-eight".