26830404852 has 12 divisors (see below), whose sum is σ = 62604278016. Its totient is φ = 8943468280.

The previous prime is 26830404851. The next prime is 26830404863. The reversal of 26830404852 is 25840403862.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26830404851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1117933524 + ... + 1117933547.

It is an arithmetic number, because the mean of its divisors is an integer number (5217023168).

Almost surely, 2^26830404852 is an apocalyptic number.

It is an amenable number.

26830404852 is an abundant number, since it is smaller than the sum of its proper divisors (35773873164).

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

26830404852 is a wasteful number, since it uses less digits than its factorization.

26830404852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2235867078 (or 2235867076 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 42.

The spelling of 26830404852 in words is "twenty-six billion, eight hundred thirty million, four hundred four thousand, eight hundred fifty-two".