400008480848 has 20 divisors (see below), whose sum is σ = 775097051700. Its totient is φ = 199983435264.

The previous prime is 400008480797. The next prime is 400008480889. The reversal of 400008480848 is 848084800004.

It can be written as a sum of positive squares in 2 ways, for example, as 254411289664 + 145597191184 = 504392^2 + 381572^2 .

It is a junction number, because it is equal to n+sod(n) for n = 400008480799 and 400008480808.

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, 1141115 + ... + 1449882.

It is an arithmetic number, because the mean of its divisors is an integer number (38754852585).

Almost surely, 2^400008480848 is an apocalyptic number.

It is an amenable number.

400008480848 is a deficient number, since it is larger than the sum of its proper divisors (375088570852).

400008480848 is a wasteful number, since it uses less digits than its factorization.

400008480848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2600654 (or 2600648 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 44.

The spelling of 400008480848 in words is "four hundred billion, eight million, four hundred eighty thousand, eight hundred forty-eight".