4405140204481 has 2 divisors, whose sum is σ = 4405140204482. Its totient is φ = 4405140204480.

The previous prime is 4405140204473. The next prime is 4405140204497. The reversal of 4405140204481 is 1844020415044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2309837634225 + 2095302570256 = 1519815^2 + 1447516^2 .

It is a cyclic number.

It is not a de Polignac number, because 4405140204481 - 2³ = 4405140204473 is a prime.

It is a super-2 number, since 2×4405140204481² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4405140204481.

It is not a weakly prime, because it can be changed into another prime (4405140274481) 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, 2202570102240 + 2202570102241.

It is an arithmetic number, because the mean of its divisors is an integer number (2202570102241).

Almost surely, 2^{4405140204481} is an apocalyptic number.

It is an amenable number.

4405140204481 is a deficient number, since it is larger than the sum of its proper divisors (1).

4405140204481 is an equidigital number, since it uses as much as digits as its factorization.

4405140204481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81920, while the sum is 37.

The spelling of 4405140204481 in words is "four trillion, four hundred five billion, one hundred forty million, two hundred four thousand, four hundred eighty-one".