275552805248 has 128 divisors (see below), whose sum is σ = 680482555200. Its totient is φ = 108436193280.

The previous prime is 275552805179. The next prime is 275552805263. The reversal of 275552805248 is 842508255572.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 275552805248.

It is a congruent number.

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, 403898 + ... + 845126.

Almost surely, 2^275552805248 is an apocalyptic number.

275552805248 is a gapful number since it is divisible by the number (28) 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 275552805248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (340241277600).

275552805248 is an abundant number, since it is smaller than the sum of its proper divisors (404929749952).

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

275552805248 is a wasteful number, since it uses less digits than its factorization.

275552805248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441308 (or 441296 counting only the distinct ones).

The product of its (nonzero) digits is 8960000, while the sum is 53.

The spelling of 275552805248 in words is "two hundred seventy-five billion, five hundred fifty-two million, eight hundred five thousand, two hundred forty-eight".