26026021056 has 56 divisors (see below), whose sum is σ = 78697734400. Its totient is φ = 7436005632.

The previous prime is 26026021037. The next prime is 26026021069. The reversal of 26026021056 is 65012062062.

It is a tau number, because it is divible by the number of its divisors (56).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9680956 + ... + 9683643.

Almost surely, 2^26026021056 is an apocalyptic number.

It is an amenable number.

26026021056 is an abundant number, since it is smaller than the sum of its proper divisors (52671713344).

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

26026021056 is a wasteful number, since it uses less digits than its factorization.

26026021056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19364621 (or 19364611 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 26026021056 in words is "twenty-six billion, twenty-six million, twenty-one thousand, fifty-six".