840008480848 has 20 divisors (see below), whose sum is σ = 1667211955668. Its totient is φ = 409760234240.

The previous prime is 840008480827. The next prime is 840008480851. The reversal of 840008480848 is 848084800048.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 463390609984 + 376617870864 = 680728^2 + 613692^2 .

It is a super-2 number, since 2×840008480848² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 840008480795 and 840008480804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 640249711 + ... + 640251022.

Almost surely, 2^840008480848 is an apocalyptic number.

It is an amenable number.

840008480848 is a deficient number, since it is larger than the sum of its proper divisors (827203474820).

840008480848 is a wasteful number, since it uses less digits than its factorization.

840008480848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280500782 (or 1280500776 counting only the distinct ones).

The product of its (nonzero) digits is 2097152, while the sum is 52.

The spelling of 840008480848 in words is "eight hundred forty billion, eight million, four hundred eighty thousand, eight hundred forty-eight".