4281781040856 has 96 divisors (see below), whose sum is σ = 12651060960720. Its totient is φ = 1297474099200.

The previous prime is 4281781040839. The next prime is 4281781040857. The reversal of 4281781040856 is 6580401871824.

4281781040856 is a `hidden beast` number, since 4 + 2 + 8 + 178 + 10 + 408 + 56 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4281781040857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56568796 + ... + 56644436.

Almost surely, 2^{4281781040856} is an apocalyptic number.

It is an amenable number.

4281781040856 is an abundant number, since it is smaller than the sum of its proper divisors (8369279919864).

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

4281781040856 is a wasteful number, since it uses less digits than its factorization.

4281781040856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147137 (or 147130 counting only the distinct ones).

The product of its (nonzero) digits is 3440640, while the sum is 54.

The spelling of 4281781040856 in words is "four trillion, two hundred eighty-one billion, seven hundred eighty-one million, forty thousand, eight hundred fifty-six".