26380685088 has 72 divisors (see below), whose sum is σ = 75863069100. Its totient is φ = 8694749184.

The previous prime is 26380685083. The next prime is 26380685099. The reversal of 26380685088 is 88058608362.

It can be written as a sum of positive squares in 2 ways, for example, as 21782217744 + 4598467344 = 147588^2 + 67812^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (26380685083) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 488973 + ... + 540236.

Almost surely, 2^26380685088 is an apocalyptic number.

It is an amenable number.

26380685088 is an abundant number, since it is smaller than the sum of its proper divisors (49482384012).

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

26380685088 is a wasteful number, since it uses less digits than its factorization.

26380685088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029314 (or 1029303 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 54.

The spelling of 26380685088 in words is "twenty-six billion, three hundred eighty million, six hundred eighty-five thousand, eighty-eight".