285540064 has 48 divisors (see below), whose sum is σ = 576849168. Its totient is φ = 139087872.

The previous prime is 285540053. The next prime is 285540071. The reversal of 285540064 is 460045582.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207282 + ... + 208654.

It is an arithmetic number, because the mean of its divisors is an integer number (12017691).

Almost surely, 2^285540064 is an apocalyptic number.

It is an amenable number.

285540064 is an abundant number, since it is smaller than the sum of its proper divisors (291309104).

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

285540064 is a wasteful number, since it uses less digits than its factorization.

285540064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1547 (or 1539 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

The square root of 285540064 is about 16897.9307608950. The cubic root of 285540064 is about 658.4998557692.

The spelling of 285540064 in words is "two hundred eighty-five million, five hundred forty thousand, sixty-four".