285731743016 has 16 divisors (see below), whose sum is σ = 536984315700. Its totient is φ = 142535925504.

The previous prime is 285731743009. The next prime is 285731743021. The reversal of 285731743016 is 610347137582.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 282549654916 + 3182088100 = 531554^2 + 56410^2 .

It is a super-2 number, since 2×285731743016² (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 3 ways as a sum of consecutive naturals, for example, 41239571 + ... + 41246498.

Almost surely, 2^285731743016 is an apocalyptic number.

It is an amenable number.

285731743016 is a deficient number, since it is larger than the sum of its proper divisors (251252572684).

285731743016 is a wasteful number, since it uses less digits than its factorization.

285731743016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82486508 (or 82486504 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 285731743016 in words is "two hundred eighty-five billion, seven hundred thirty-one million, seven hundred forty-three thousand, sixteen".