26355324768 has 24 divisors (see below), whose sum is σ = 69182727768. Its totient is φ = 8785108224.

The previous prime is 26355324761. The next prime is 26355324797. The reversal of 26355324768 is 86742355362.

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

It is a self number, because there is not a number n which added to its sum of digits gives 26355324768.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26355324761) 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, 137267221 + ... + 137267412.

It is an arithmetic number, because the mean of its divisors is an integer number (2882613657).

Almost surely, 2^26355324768 is an apocalyptic number.

It is an amenable number.

26355324768 is an abundant number, since it is smaller than the sum of its proper divisors (42827403000).

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

26355324768 is a wasteful number, since it uses less digits than its factorization.

26355324768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274534646 (or 274534638 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 51.

The spelling of 26355324768 in words is "twenty-six billion, three hundred fifty-five million, three hundred twenty-four thousand, seven hundred sixty-eight".