26502840704 has 64 divisors (see below), whose sum is σ = 54622762560. Its totient is φ = 12798849024.

The previous prime is 26502840697. The next prime is 26502840743. The reversal of 26502840704 is 40704820562.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

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, 628409 + ... + 669255.

It is an arithmetic number, because the mean of its divisors is an integer number (853480665).

Almost surely, 2^26502840704 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 26502840704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27311381280).

26502840704 is an abundant number, since it is smaller than the sum of its proper divisors (28119921856).

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

26502840704 is a wasteful number, since it uses less digits than its factorization.

26502840704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41035 (or 41023 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 38.

The spelling of 26502840704 in words is "twenty-six billion, five hundred two million, eight hundred forty thousand, seven hundred four".