285276042 has 12 divisors (see below), whose sum is σ = 618098130. Its totient is φ = 95092008.

The previous prime is 285276037. The next prime is 285276067. The reversal of 285276042 is 240672582.

285276042 is a `hidden beast` number, since 28 + 5 + 27 + 604 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 212838921 + 72437121 = 14589^2 + 8511^2 .

It is a junction number, because it is equal to n+sod(n) for n = 285275988 and 285276006.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7924317 + ... + 7924352.

Almost surely, 2^285276042 is an apocalyptic number.

285276042 is an abundant number, since it is smaller than the sum of its proper divisors (332822088).

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

285276042 is a wasteful number, since it uses less digits than its factorization.

285276042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15848677 (or 15848674 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 285276042 is about 16890.1166958668. The cubic root of 285276042 is about 658.2968345661.

The spelling of 285276042 in words is "two hundred eighty-five million, two hundred seventy-six thousand, forty-two".