285731730016 has 48 divisors (see below), whose sum is σ = 564174274608. Its totient is φ = 142449753600.

The previous prime is 285731729971. The next prime is 285731730019. The reversal of 285731730016 is 610037137582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285731730019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31425631 + ... + 31434721.

It is an arithmetic number, because the mean of its divisors is an integer number (11753630721).

Almost surely, 2^285731730016 is an apocalyptic number.

It is an amenable number.

285731730016 is a deficient number, since it is larger than the sum of its proper divisors (278442544592).

285731730016 is a wasteful number, since it uses less digits than its factorization.

285731730016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11855 (or 11847 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 43.

Adding to 285731730016 its reverse (610037137582), we get a palindrome (895768867598).

The spelling of 285731730016 in words is "two hundred eighty-five billion, seven hundred thirty-one million, seven hundred thirty thousand, sixteen".