285868538016 has 24 divisors (see below), whose sum is σ = 750404912544. Its totient is φ = 95289512640.

The previous prime is 285868538003. The next prime is 285868538017. The reversal of 285868538016 is 610835868582.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (285868538017) by changing a digit.

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, 1488898540 + ... + 1488898731.

It is an arithmetic number, because the mean of its divisors is an integer number (31266871356).

Almost surely, 2^285868538016 is an apocalyptic number.

It is an amenable number.

285868538016 is an abundant number, since it is smaller than the sum of its proper divisors (464536374528).

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

285868538016 is a wasteful number, since it uses less digits than its factorization.

285868538016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2977797284 (or 2977797276 counting only the distinct ones).

The product of its (nonzero) digits is 22118400, while the sum is 60.

The spelling of 285868538016 in words is "two hundred eighty-five billion, eight hundred sixty-eight million, five hundred thirty-eight thousand, sixteen".