275748512256 has 480 divisors, whose sum is σ = 928868548608. Its totient is φ = 77127966720.

The previous prime is 275748512239. The next prime is 275748512287. The reversal of 275748512256 is 652215847572.

It is a happy number.

275748512256 is a `hidden beast` number, since 2 + 7 + 5 + 74 + 8 + 512 + 2 + 56 = 666.

It is a super-2 number, since 2×275748512256² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 340010091 + ... + 340010901.

Almost surely, 2^275748512256 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 275748512256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (464434274304).

275748512256 is an abundant number, since it is smaller than the sum of its proper divisors (653120036352).

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

275748512256 is a wasteful number, since it uses less digits than its factorization.

275748512256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052 (or 1033 counting only the distinct ones).

The product of its digits is 9408000, while the sum is 54.

The spelling of 275748512256 in words is "two hundred seventy-five billion, seven hundred forty-eight million, five hundred twelve thousand, two hundred fifty-six".