26834395728 has 40 divisors (see below), whose sum is σ = 79225359808. Its totient is φ = 7666970112.

The previous prime is 26834395717. The next prime is 26834395729. The reversal of 26834395728 is 82759343862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26834395729) 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 in 7 ways as a sum of consecutive naturals, for example, 39931801 + ... + 39932472.

Almost surely, 2^26834395728 is an apocalyptic number.

26834395728 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

26834395728 is an abundant number, since it is smaller than the sum of its proper divisors (52390964080).

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

26834395728 is a wasteful number, since it uses less digits than its factorization.

26834395728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79864291 (or 79864285 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 57.

The spelling of 26834395728 in words is "twenty-six billion, eight hundred thirty-four million, three hundred ninety-five thousand, seven hundred twenty-eight".