4040040400481 has 2 divisors, whose sum is σ = 4040040400482. Its totient is φ = 4040040400480.

The previous prime is 4040040400477. The next prime is 4040040400519. The reversal of 4040040400481 is 1840040400404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3831884550400 + 208155850081 = 1957520^2 + 456241^2 .

It is a cyclic number.

It is not a de Polignac number, because 4040040400481 - 2² = 4040040400477 is a prime.

It is a super-2 number, since 2×4040040400481² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4040040403481) 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 as a sum of consecutive naturals, namely, 2020020200240 + 2020020200241.

It is an arithmetic number, because the mean of its divisors is an integer number (2020020200241).

Almost surely, 2^{4040040400481} is an apocalyptic number.

It is an amenable number.

4040040400481 is a deficient number, since it is larger than the sum of its proper divisors (1).

4040040400481 is an equidigital number, since it uses as much as digits as its factorization.

4040040400481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8192, while the sum is 29.

Adding to 4040040400481 its reverse (1840040400404), we get a palindrome (5880080800885).

The spelling of 4040040400481 in words is "four trillion, forty billion, forty million, four hundred thousand, four hundred eighty-one".