275317980880 has 20 divisors (see below), whose sum is σ = 640114305732. Its totient is φ = 110127192320.

The previous prime is 275317980853. The next prime is 275317980913. The reversal of 275317980880 is 88089713572.

It can be written as a sum of positive squares in 2 ways, for example, as 96619018896 + 178698961984 = 310836^2 + 422728^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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, 1720737301 + ... + 1720737460.

Almost surely, 2^275317980880 is an apocalyptic number.

275317980880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

275317980880 is an abundant number, since it is smaller than the sum of its proper divisors (364796324852).

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

275317980880 is a wasteful number, since it uses less digits than its factorization.

275317980880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3441474774 (or 3441474768 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 58.

The spelling of 275317980880 in words is "two hundred seventy-five billion, three hundred seventeen million, nine hundred eighty thousand, eight hundred eighty".