400408008848 has 20 divisors (see below), whose sum is σ = 775992297600. Its totient is φ = 200151932064.

The previous prime is 400408008829. The next prime is 400408008887. The reversal of 400408008848 is 848800804004.

It is a junction number, because it is equal to n+sod(n) for n = 400408008799 and 400408008808.

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, 3191048 + ... + 3314151.

It is an arithmetic number, because the mean of its divisors is an integer number (38799614880).

Almost surely, 2^400408008848 is an apocalyptic number.

It is an amenable number.

400408008848 is a deficient number, since it is larger than the sum of its proper divisors (375584288752).

400408008848 is a wasteful number, since it uses less digits than its factorization.

400408008848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6509054 (or 6509048 counting only the distinct ones).

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

The spelling of 400408008848 in words is "four hundred billion, four hundred eight million, eight thousand, eight hundred forty-eight".