26716315560 has 128 divisors (see below), whose sum is σ = 88489013760. Its totient is φ = 6398624000.

The previous prime is 26716315559. The next prime is 26716315567. The reversal of 26716315560 is 6551361762.

It is a super-2 number, since 2×26716315560² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26716315567) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12366 + ... + 231485.

It is an arithmetic number, because the mean of its divisors is an integer number (691320420).

Almost surely, 2^26716315560 is an apocalyptic number.

26716315560 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 26716315560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44244506880).

26716315560 is an abundant number, since it is smaller than the sum of its proper divisors (61772698200).

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

26716315560 is a wasteful number, since it uses less digits than its factorization.

26716315560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243959 (or 243955 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 42.

The spelling of 26716315560 in words is "twenty-six billion, seven hundred sixteen million, three hundred fifteen thousand, five hundred sixty".