284206840442 has 16 divisors (see below), whose sum is σ = 488615803200. Its totient is φ = 121451912448.

The previous prime is 284206840441. The next prime is 284206840453. The reversal of 284206840442 is 244048602482.

It is a junction number, because it is equal to n+sod(n) for n = 284206840393 and 284206840402.

It is not an unprimeable number, because it can be changed into a prime (284206840441) 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, 29246567 + ... + 29256282.

It is an arithmetic number, because the mean of its divisors is an integer number (30538487700).

Almost surely, 2^284206840442 is an apocalyptic number.

284206840442 is a deficient number, since it is larger than the sum of its proper divisors (204408962758).

284206840442 is a wasteful number, since it uses less digits than its factorization.

284206840442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58503205.

The product of its (nonzero) digits is 786432, while the sum is 44.

The spelling of 284206840442 in words is "two hundred eighty-four billion, two hundred six million, eight hundred forty thousand, four hundred forty-two".