26488188560 has 40 divisors (see below), whose sum is σ = 62895367296. Its totient is φ = 10369842560.

The previous prime is 26488188557. The next prime is 26488188581. The reversal of 26488188560 is 6588188462.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×26488188560² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26488188496 and 26488188505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3518606 + ... + 3526125.

Almost surely, 2^26488188560 is an apocalyptic number.

26488188560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26488188560 is an abundant number, since it is smaller than the sum of its proper divisors (36407178736).

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

26488188560 is a wasteful number, since it uses less digits than its factorization.

26488188560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7044791 (or 7044785 counting only the distinct ones).

The product of its (nonzero) digits is 5898240, while the sum is 56.

The spelling of 26488188560 in words is "twenty-six billion, four hundred eighty-eight million, one hundred eighty-eight thousand, five hundred sixty".