284380685256 has 16 divisors (see below), whose sum is σ = 710951713200. Its totient is φ = 94793561744.

The previous prime is 284380685243. The next prime is 284380685263. The reversal of 284380685256 is 652586083482.

It is a junction number, because it is equal to n+sod(n) for n = 284380685196 and 284380685205.

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 3 ways as a sum of consecutive naturals, for example, 5924597586 + ... + 5924597633.

It is an arithmetic number, because the mean of its divisors is an integer number (44434482075).

Almost surely, 2^284380685256 is an apocalyptic number.

It is an amenable number.

284380685256 is an abundant number, since it is smaller than the sum of its proper divisors (426571027944).

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

284380685256 is a wasteful number, since it uses less digits than its factorization.

284380685256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11849195228 (or 11849195224 counting only the distinct ones).

The product of its (nonzero) digits is 22118400, while the sum is 57.

The spelling of 284380685256 in words is "two hundred eighty-four billion, three hundred eighty million, six hundred eighty-five thousand, two hundred fifty-six".