26520285576 has 64 divisors (see below), whose sum is σ = 69946200000. Its totient is φ = 8356110336.

The previous prime is 26520285541. The next prime is 26520285577. The reversal of 26520285576 is 67558202562.

It is not an unprimeable number, because it can be changed into a prime (26520285577) 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 15 ways as a sum of consecutive naturals, for example, 139980 + ... + 269508.

It is an arithmetic number, because the mean of its divisors is an integer number (1092909375).

Almost surely, 2^26520285576 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26520285576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34973100000).

26520285576 is an abundant number, since it is smaller than the sum of its proper divisors (43425914424).

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

26520285576 is a wasteful number, since it uses less digits than its factorization.

26520285576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130006 (or 130002 counting only the distinct ones).

The product of its (nonzero) digits is 2016000, while the sum is 48.

The spelling of 26520285576 in words is "twenty-six billion, five hundred twenty million, two hundred eighty-five thousand, five hundred seventy-six".