4066243545 has 32 divisors (see below), whose sum is σ = 8007374592. Its totient is φ = 1715864832.

The previous prime is 4066243541. The next prime is 4066243547. The reversal of 4066243545 is 5453426604.

It is not a de Polignac number, because 4066243545 - 2² = 4066243541 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (4066243541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1488102 + ... + 1490831.

It is an arithmetic number, because the mean of its divisors is an integer number (250230456).

Almost surely, 2^4066243545 is an apocalyptic number.

It is an amenable number.

4066243545 is a deficient number, since it is larger than the sum of its proper divisors (3941131047).

4066243545 is a wasteful number, since it uses less digits than its factorization.

4066243545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2978961.

The product of its (nonzero) digits is 345600, while the sum is 39.

The square root of 4066243545 is about 63767.1039408252. The cubic root of 4066243545 is about 1596.1160410065.

The spelling of 4066243545 in words is "four billion, sixty-six million, two hundred forty-three thousand, five hundred forty-five".