285069942 has 40 divisors (see below), whose sum is σ = 660805200. Its totient is φ = 91745136.

The previous prime is 285069931. The next prime is 285069979. The reversal of 285069942 is 249960582.

It is a congruent number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 25642 + ... + 35037.

It is an arithmetic number, because the mean of its divisors is an integer number (16520130).

Almost surely, 2^285069942 is an apocalyptic number.

285069942 is an abundant number, since it is smaller than the sum of its proper divisors (375735258).

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

285069942 is a wasteful number, since it uses less digits than its factorization.

285069942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60722 (or 60713 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 285069942 is about 16884.0143923180. The cubic root of 285069942 is about 658.1382657369.

The spelling of 285069942 in words is "two hundred eighty-five million, sixty-nine thousand, nine hundred forty-two".