275794227648 has 280 divisors, whose sum is σ = 860952771360. Its totient is φ = 87123548160.

The previous prime is 275794227619. The next prime is 275794227661. The reversal of 275794227648 is 846722497572.

It is a happy number.

275794227648 is a `hidden beast` number, since 2 + 75 + 79 + 422 + 76 + 4 + 8 = 666.

It is a super-2 number, since 2×275794227648² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 12985678 + ... + 13006898.

Almost surely, 2^275794227648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 275794227648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (430476385680).

275794227648 is an abundant number, since it is smaller than the sum of its proper divisors (585158543712).

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

275794227648 is a wasteful number, since it uses less digits than its factorization.

275794227648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21377 (or 21358 counting only the distinct ones).

The product of its digits is 94832640, while the sum is 63.

The spelling of 275794227648 in words is "two hundred seventy-five billion, seven hundred ninety-four million, two hundred twenty-seven thousand, six hundred forty-eight".