284299040809 has 45 divisors (see below), whose sum is σ = 350750424141. Its totient is φ = 229765251240.

The previous prime is 284299040797. The next prime is 284299040821. The reversal of 284299040809 is 908040992482.

The square root of 284299040809 is 533197.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (284299040797) and next prime (284299040821).

It is not a de Polignac number, because 284299040809 - 2¹⁵ = 284299008041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 284299040809.

It is not an unprimeable number, because it can be changed into a prime (284299040869) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 1347388714 + ... + 1347388924.

Almost surely, 2^284299040809 is an apocalyptic number.

284299040809 is the 533197-th square number.

284299040809 is the 266599-th centered octagonal number.

It is an amenable number.

284299040809 is a deficient number, since it is larger than the sum of its proper divisors (66451383332).

284299040809 is an frugal number, since it uses more digits than its factorization.

284299040809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512 (or 237 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 55.

The spelling of 284299040809 in words is "two hundred eighty-four billion, two hundred ninety-nine million, forty thousand, eight hundred nine".