4036240381 has 2 divisors, whose sum is σ = 4036240382. Its totient is φ = 4036240380.

The previous prime is 4036240339. The next prime is 4036240421. The reversal of 4036240381 is 1830426304.

4036240381 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2278534756 + 1757705625 = 47734^2 + 41925^2 .

It is a cyclic number.

It is not a de Polignac number, because 4036240381 - 2⁹ = 4036239869 is a prime.

It is a super-2 number, since 2×4036240381² = 32582472826430050322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4036240081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2018120190 + 2018120191.

It is an arithmetic number, because the mean of its divisors is an integer number (2018120191).

Almost surely, 2^4036240381 is an apocalyptic number.

It is an amenable number.

4036240381 is a deficient number, since it is larger than the sum of its proper divisors (1).

4036240381 is an equidigital number, since it uses as much as digits as its factorization.

4036240381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 4036240381 is about 63531.4125531614. The cubic root of 4036240381 is about 1592.1806479445.

Adding to 4036240381 its reverse (1830426304), we get a palindrome (5866666685).

The spelling of 4036240381 in words is "four billion, thirty-six million, two hundred forty thousand, three hundred eighty-one".