26307505056 has 96 divisors (see below), whose sum is σ = 78948148608. Its totient is φ = 7513989120.

The previous prime is 26307505033. The next prime is 26307505057. The reversal of 26307505056 is 65050570362.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (26307505057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3512836 + ... + 3520316.

It is an arithmetic number, because the mean of its divisors is an integer number (822376548).

Almost surely, 2^26307505056 is an apocalyptic number.

It is an amenable number.

26307505056 is an abundant number, since it is smaller than the sum of its proper divisors (52640643552).

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

26307505056 is a wasteful number, since it uses less digits than its factorization.

26307505056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12734 (or 12726 counting only the distinct ones).

The product of its (nonzero) digits is 189000, while the sum is 39.

The spelling of 26307505056 in words is "twenty-six billion, three hundred seven million, five hundred five thousand, fifty-six".