275400775068 has 48 divisors (see below), whose sum is σ = 645195995136. Its totient is φ = 91429825600.

The previous prime is 275400775057. The next prime is 275400775087. The reversal of 275400775068 is 860577004572.

It is a self number, because there is not a number n which added to its sum of digits gives 275400775068.

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 15 ways as a sum of consecutive naturals, for example, 19247605 + ... + 19261907.

It is an arithmetic number, because the mean of its divisors is an integer number (13441583232).

Almost surely, 2^275400775068 is an apocalyptic number.

It is an amenable number.

275400775068 is an abundant number, since it is smaller than the sum of its proper divisors (369795220068).

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

275400775068 is a wasteful number, since it uses less digits than its factorization.

275400775068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20674 (or 20672 counting only the distinct ones).

The product of its (nonzero) digits is 3292800, while the sum is 51.

The spelling of 275400775068 in words is "two hundred seventy-five billion, four hundred million, seven hundred seventy-five thousand, sixty-eight".