26516277760 has 160 divisors (see below), whose sum is σ = 73343698560. Its totient is φ = 9005678592.

The previous prime is 26516277757. The next prime is 26516277779. The reversal of 26516277760 is 6777261562.

It is a tau number, because it is divible by the number of its divisors (160).

It is a super-2 number, since 2×26516277760² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1910526 + ... + 1924354.

It is an arithmetic number, because the mean of its divisors is an integer number (458398116).

Almost surely, 2^26516277760 is an apocalyptic number.

26516277760 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 26516277760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36671849280).

26516277760 is an abundant number, since it is smaller than the sum of its proper divisors (46827420800).

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

26516277760 is a wasteful number, since it uses less digits than its factorization.

26516277760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13966 (or 13950 counting only the distinct ones).

The product of its (nonzero) digits is 1481760, while the sum is 49.

The spelling of 26516277760 in words is "twenty-six billion, five hundred sixteen million, two hundred seventy-seven thousand, seven hundred sixty".