4040755321 has 2 divisors, whose sum is σ = 4040755322. Its totient is φ = 4040755320.

The previous prime is 4040755307. The next prime is 4040755333. The reversal of 4040755321 is 1235570404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4039873600 + 881721 = 63560^2 + 939^2 .

It is a cyclic number.

It is not a de Polignac number, because 4040755321 - 2¹⁷ = 4040624249 is a prime.

It is not a weakly prime, because it can be changed into another prime (4040725321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2020377660 + 2020377661.

It is an arithmetic number, because the mean of its divisors is an integer number (2020377661).

Almost surely, 2^4040755321 is an apocalyptic number.

It is an amenable number.

4040755321 is a deficient number, since it is larger than the sum of its proper divisors (1).

4040755321 is an equidigital number, since it uses as much as digits as its factorization.

4040755321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 4040755321 is about 63566.9357527953. The cubic root of 4040755321 is about 1592.7740980111.

The spelling of 4040755321 in words is "four billion, forty million, seven hundred fifty-five thousand, three hundred twenty-one".