4004405320256 has 56 divisors (see below), whose sum is σ = 8773068848544. Its totient is φ = 1798254279680.

The previous prime is 4004405320219. The next prime is 4004405320309. The reversal of 4004405320256 is 6520235044004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34207085 + ... + 34323948.

It is an arithmetic number, because the mean of its divisors is an integer number (156661943724).

Almost surely, 2^{4004405320256} is an apocalyptic number.

It is an amenable number.

4004405320256 is an abundant number, since it is smaller than the sum of its proper divisors (4768663528288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4004405320256 is a wasteful number, since it uses less digits than its factorization.

4004405320256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68531139 (or 68531129 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

The spelling of 4004405320256 in words is "four trillion, four billion, four hundred five million, three hundred twenty thousand, two hundred fifty-six".