26696565760 has 88 divisors (see below), whose sum is σ = 64147412160. Its totient is φ = 10660798464.

The previous prime is 26696565751. The next prime is 26696565761. The reversal of 26696565760 is 6756569662.

It is a junction number, because it is equal to n+sod(n) for n = 26696565695 and 26696565704.

It is not an unprimeable number, because it can be changed into a prime (26696565761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3308611 + ... + 3316669.

Almost surely, 2^26696565760 is an apocalyptic number.

26696565760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26696565760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32073706080).

26696565760 is an abundant number, since it is smaller than the sum of its proper divisors (37450846400).

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

26696565760 is an equidigital number, since it uses as much as digits as its factorization.

26696565760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8731 (or 8713 counting only the distinct ones).

The product of its (nonzero) digits is 24494400, while the sum is 58.

The spelling of 26696565760 in words is "twenty-six billion, six hundred ninety-six million, five hundred sixty-five thousand, seven hundred sixty".