285784632242 has 6 divisors (see below), whose sum is σ = 428678082399. Its totient is φ = 142891938110.

The previous prime is 285784632167. The next prime is 285784632253. The reversal of 285784632242 is 242236487582.

It can be written as a sum of positive squares in only one way, i.e., 142892316121 + 142892316121 = 378011^2 + 378011^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=378011.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 567017 + ... + 945027.

Almost surely, 2^285784632242 is an apocalyptic number.

285784632242 is a deficient number, since it is larger than the sum of its proper divisors (142893450157).

285784632242 is an frugal number, since it uses more digits than its factorization.

285784632242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756024 (or 378013 counting only the distinct ones).

The product of its digits is 10321920, while the sum is 53.

The spelling of 285784632242 in words is "two hundred eighty-five billion, seven hundred eighty-four million, six hundred thirty-two thousand, two hundred forty-two".