840460054802 has 8 divisors (see below), whose sum is σ = 1261336927500. Its totient is φ = 420014412304.

The previous prime is 840460054741. The next prime is 840460054817. The reversal of 840460054802 is 208450064048.

It can be written as a sum of positive squares in 2 ways, for example, as 825497627761 + 14962427041 = 908569^2 + 122321^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 840460054802.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107802677 + ... + 107810472.

Almost surely, 2^840460054802 is an apocalyptic number.

840460054802 is a deficient number, since it is larger than the sum of its proper divisors (420876872698).

840460054802 is a wasteful number, since it uses less digits than its factorization.

840460054802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215615100.

The product of its (nonzero) digits is 245760, while the sum is 41.

The spelling of 840460054802 in words is "eight hundred forty billion, four hundred sixty million, fifty-four thousand, eight hundred two".