285945288052 has 12 divisors (see below), whose sum is σ = 500434455556. Its totient is φ = 142964015040.

The previous prime is 285945288049. The next prime is 285945288061. The reversal of 285945288052 is 250882549582.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 27012894736 + 258932393316 = 164356^2 + 508854^2 .

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 2082399 + ... + 2215462.

Almost surely, 2^285945288052 is an apocalyptic number.

It is an amenable number.

285945288052 is a deficient number, since it is larger than the sum of its proper divisors (214489167504).

285945288052 is a wasteful number, since it uses less digits than its factorization.

285945288052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4314498 (or 4314496 counting only the distinct ones).

The product of its (nonzero) digits is 18432000, while the sum is 58.

The spelling of 285945288052 in words is "two hundred eighty-five billion, nine hundred forty-five million, two hundred eighty-eight thousand, fifty-two".