840054658009 has 8 divisors (see below), whose sum is σ = 964886902400. Its totient is φ = 716428522656.

The previous prime is 840054657989. The next prime is 840054658021. The reversal of 840054658009 is 900856450048.

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

It is not a de Polignac number, because 840054658009 - 2¹¹ = 840054655961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (840054652009) 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, 301525764 + ... + 301528549.

It is an arithmetic number, because the mean of its divisors is an integer number (120610862800).

Almost surely, 2^840054658009 is an apocalyptic number.

It is an amenable number.

840054658009 is a deficient number, since it is larger than the sum of its proper divisors (124832244391).

840054658009 is a wasteful number, since it uses less digits than its factorization.

840054658009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603054519.

The product of its (nonzero) digits is 1382400, while the sum is 49.

The spelling of 840054658009 in words is "eight hundred forty billion, fifty-four million, six hundred fifty-eight thousand, nine".