26755585280 has 36 divisors (see below), whose sum is σ = 64087990932. Its totient is φ = 10702233600.

The previous prime is 26755585271. The next prime is 26755585301. The reversal of 26755585280 is 8258555762.

It can be written as a sum of positive squares in 2 ways, for example, as 6194319616 + 20561265664 = 78704^2 + 143392^2 .

It is a super-2 number, since 2×26755585280² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10450121 + ... + 10452680.

Almost surely, 2^26755585280 is an apocalyptic number.

26755585280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26755585280 is an abundant number, since it is smaller than the sum of its proper divisors (37332405652).

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

26755585280 is an equidigital number, since it uses as much as digits as its factorization.

26755585280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20902822 (or 20902808 counting only the distinct ones).

The product of its (nonzero) digits is 6720000, while the sum is 53.

The spelling of 26755585280 in words is "twenty-six billion, seven hundred fifty-five million, five hundred eighty-five thousand, two hundred eighty".