275484022656 has 128 divisors (see below), whose sum is σ = 755820979200. Its totient is φ = 88811520000.

The previous prime is 275484022643. The next prime is 275484022673. The reversal of 275484022656 is 656220484572.

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

It is a junction number, because it is equal to n+sod(n) for n = 275484022599 and 275484022608.

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, 22480531 + ... + 22492781.

It is an arithmetic number, because the mean of its divisors is an integer number (5904851400).

Almost surely, 2^275484022656 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 275484022656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (377910489600).

275484022656 is an abundant number, since it is smaller than the sum of its proper divisors (480336956544).

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

275484022656 is a wasteful number, since it uses less digits than its factorization.

275484022656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14188 (or 14176 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 51.

The spelling of 275484022656 in words is "two hundred seventy-five billion, four hundred eighty-four million, twenty-two thousand, six hundred fifty-six".