285449958830 has 32 divisors (see below), whose sum is σ = 515386476000. Its totient is φ = 113829793792.

The previous prime is 285449958823. The next prime is 285449958851. The reversal of 285449958830 is 38859944582.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22758701 + ... + 22771239.

It is an arithmetic number, because the mean of its divisors is an integer number (16105827375).

Almost surely, 2^285449958830 is an apocalyptic number.

285449958830 is a deficient number, since it is larger than the sum of its proper divisors (229936517170).

285449958830 is a wasteful number, since it uses less digits than its factorization.

285449958830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19348.

The product of its (nonzero) digits is 99532800, while the sum is 65.

The spelling of 285449958830 in words is "two hundred eighty-five billion, four hundred forty-nine million, nine hundred fifty-eight thousand, eight hundred thirty".