285480012 has 24 divisors (see below), whose sum is σ = 684124336. Its totient is φ = 92587968.

The previous prime is 285480001. The next prime is 285480017. The reversal of 285480012 is 210084582.

It is not an unprimeable number, because it can be changed into a prime (285480017) 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, 321043 + ... + 321930.

Almost surely, 2^285480012 is an apocalyptic number.

It is an amenable number.

285480012 is an abundant number, since it is smaller than the sum of its proper divisors (398644324).

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

285480012 is a wasteful number, since it uses less digits than its factorization.

285480012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643017 (or 643015 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 285480012 is about 16896.1537635049. The cubic root of 285480012 is about 658.4536894446.

The spelling of 285480012 in words is "two hundred eighty-five million, four hundred eighty thousand, twelve".