4075803775044 has 135 divisors (see below), whose sum is σ = 10844314061581. Its totient is φ = 1334871554400.

The previous prime is 4075803775037. The next prime is 4075803775049. The reversal of 4075803775044 is 4405773085704.

The square root of 4075803775044 is 2018862.

It is a perfect power (a square), and thus also a powerful number.

4075803775044 is a `hidden beast` number, since 4 + 0 + 7 + 580 + 3 + 7 + 7 + 50 + 4 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 339933309444 + 3735870465600 = 583038^2 + 1932840^2 .

It is a super-2 number, since 2×4075803775044² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4075803775049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 2144030494 + ... + 2144032394.

Almost surely, 2^{4075803775044} is an apocalyptic number.

4075803775044 is the 2018862-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4075803775044

4075803775044 is an abundant number, since it is smaller than the sum of its proper divisors (6768510286537).

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

4075803775044 is an frugal number, since it uses more digits than its factorization.

4075803775044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3936 (or 1965 counting only the distinct ones).

The product of its (nonzero) digits is 13171200, while the sum is 54.

The spelling of 4075803775044 in words is "four trillion, seventy-five billion, eight hundred three million, seven hundred seventy-five thousand, forty-four".