26534049078 has 16 divisors (see below), whose sum is σ = 53096393520. Its totient is φ = 8839967136.

The previous prime is 26534049049. The next prime is 26534049079. The reversal of 26534049078 is 87094043562.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26534049079) 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 7 ways as a sum of consecutive naturals, for example, 1166773 + ... + 1189296.

It is an arithmetic number, because the mean of its divisors is an integer number (3318524595).

Almost surely, 2^26534049078 is an apocalyptic number.

26534049078 is an abundant number, since it is smaller than the sum of its proper divisors (26562344442).

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

26534049078 is a wasteful number, since it uses less digits than its factorization.

26534049078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2357951.

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 26534049078 in words is "twenty-six billion, five hundred thirty-four million, forty-nine thousand, seventy-eight".