275544780860 has 48 divisors (see below), whose sum is σ = 584161536000. Its totient is φ = 109171934784.

The previous prime is 275544780811. The next prime is 275544780877. The reversal of 275544780860 is 68087445572.

It is a junction number, because it is equal to n+sod(n) for n = 275544780796 and 275544780805.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 732311 + ... + 1042769.

It is an arithmetic number, because the mean of its divisors is an integer number (12170032000).

Almost surely, 2^275544780860 is an apocalyptic number.

275544780860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

275544780860 is an abundant number, since it is smaller than the sum of its proper divisors (308616755140).

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

275544780860 is a wasteful number, since it uses less digits than its factorization.

275544780860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310890 (or 310888 counting only the distinct ones).

The product of its (nonzero) digits is 15052800, while the sum is 56.

The spelling of 275544780860 in words is "two hundred seventy-five billion, five hundred forty-four million, seven hundred eighty thousand, eight hundred sixty".