4066340545 has 16 divisors (see below), whose sum is σ = 5099801472. Its totient is φ = 3106723840.

The previous prime is 4066340543. The next prime is 4066340557. The reversal of 4066340545 is 5450436604.

It is not a de Polignac number, because 4066340545 - 2¹ = 4066340543 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4066340543) 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 15 ways as a sum of consecutive naturals, for example, 46134 + ... + 101296.

It is an arithmetic number, because the mean of its divisors is an integer number (318737592).

Almost surely, 2^4066340545 is an apocalyptic number.

It is an amenable number.

4066340545 is a deficient number, since it is larger than the sum of its proper divisors (1033460927).

4066340545 is a wasteful number, since it uses less digits than its factorization.

4066340545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55832.

The product of its (nonzero) digits is 172800, while the sum is 37.

The square root of 4066340545 is about 63767.8645165416. The cubic root of 4066340545 is about 1596.1287326570.

The spelling of 4066340545 in words is "four billion, sixty-six million, three hundred forty thousand, five hundred forty-five".