840242362 has 8 divisors (see below), whose sum is σ = 1260493236. Its totient is φ = 420077952.

The previous prime is 840242353. The next prime is 840242387. The reversal of 840242362 is 263242048.

It can be written as a sum of positive squares in 2 ways, for example, as 839318841 + 923521 = 28971^2 + 961^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15268 + ... + 43744.

Almost surely, 2^840242362 is an apocalyptic number.

840242362 is a deficient number, since it is larger than the sum of its proper divisors (420250874).

840242362 is a wasteful number, since it uses less digits than its factorization.

840242362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43232.

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 840242362 is about 28986.9343325575. The cubic root of 840242362 is about 943.6295325554.

The spelling of 840242362 in words is "eight hundred forty million, two hundred forty-two thousand, three hundred sixty-two".