4065812655506 has 32 divisors (see below), whose sum is σ = 7042906091520. Its totient is φ = 1724326301376.

The previous prime is 4065812655503. The next prime is 4065812655529. The reversal of 4065812655506 is 6055562185604.

It is a happy number.

4065812655506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (4065812655503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2247605 + ... + 3630888.

It is an arithmetic number, because the mean of its divisors is an integer number (220090815360).

Almost surely, 2^{4065812655506} is an apocalyptic number.

4065812655506 is a deficient number, since it is larger than the sum of its proper divisors (2977093436014).

4065812655506 is a wasteful number, since it uses less digits than its factorization.

4065812655506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5879018.

The product of its (nonzero) digits is 8640000, while the sum is 53.

The spelling of 4065812655506 in words is "four trillion, sixty-five billion, eight hundred twelve million, six hundred fifty-five thousand, five hundred six".