275463021056 has 80 divisors (see below), whose sum is σ = 572781464640. Its totient is φ = 132184657920.

The previous prime is 275463021037. The next prime is 275463021149. The reversal of 275463021056 is 650120364572.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2424071 + ... + 2535161.

It is an arithmetic number, because the mean of its divisors is an integer number (7159768308).

Almost surely, 2^275463021056 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 275463021056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286390732320).

275463021056 is an abundant number, since it is smaller than the sum of its proper divisors (297318443584).

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

275463021056 is a wasteful number, since it uses less digits than its factorization.

275463021056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111305 (or 111289 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 41.

The spelling of 275463021056 in words is "two hundred seventy-five billion, four hundred sixty-three million, twenty-one thousand, fifty-six".