26905660896 has 24 divisors (see below), whose sum is σ = 70627360104. Its totient is φ = 8968553600.

The previous prime is 26905660879. The next prime is 26905660897. The reversal of 26905660896 is 69806650962.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26905660897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140133555 + ... + 140133746.

It is an arithmetic number, because the mean of its divisors is an integer number (2942806671).

Almost surely, 2^26905660896 is an apocalyptic number.

It is an amenable number.

26905660896 is an abundant number, since it is smaller than the sum of its proper divisors (43721699208).

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

26905660896 is a wasteful number, since it uses less digits than its factorization.

26905660896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280267314 (or 280267306 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 57.

The spelling of 26905660896 in words is "twenty-six billion, nine hundred five million, six hundred sixty thousand, eight hundred ninety-six".