276223985256 has 16 divisors (see below), whose sum is σ = 690559963200. Its totient is φ = 92074661744.

The previous prime is 276223985251. The next prime is 276223985267. The reversal of 276223985256 is 652589322672.

It is a junction number, because it is equal to n+sod(n) for n = 276223985196 and 276223985205.

It is not an unprimeable number, because it can be changed into a prime (276223985251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5754666336 + ... + 5754666383.

It is an arithmetic number, because the mean of its divisors is an integer number (43159997700).

Almost surely, 2^276223985256 is an apocalyptic number.

It is an amenable number.

276223985256 is an abundant number, since it is smaller than the sum of its proper divisors (414335977944).

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

276223985256 is a wasteful number, since it uses less digits than its factorization.

276223985256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11509332728 (or 11509332724 counting only the distinct ones).

The product of its digits is 21772800, while the sum is 57.

The spelling of 276223985256 in words is "two hundred seventy-six billion, two hundred twenty-three million, nine hundred eighty-five thousand, two hundred fifty-six".