4066405545 has 8 divisors (see below), whose sum is σ = 6506248896. Its totient is φ = 2168749616.

The previous prime is 4066405537. The next prime is 4066405573. The reversal of 4066405545 is 5455046604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4066405545 - 2³ = 4066405537 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135546837 + ... + 135546866.

It is an arithmetic number, because the mean of its divisors is an integer number (813281112).

Almost surely, 2^4066405545 is an apocalyptic number.

It is an amenable number.

4066405545 is a deficient number, since it is larger than the sum of its proper divisors (2439843351).

4066405545 is a wasteful number, since it uses less digits than its factorization.

4066405545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271093711.

The product of its (nonzero) digits is 288000, while the sum is 39.

The square root of 4066405545 is about 63768.3741756053. The cubic root of 4066405545 is about 1596.1372372582.

The spelling of 4066405545 in words is "four billion, sixty-six million, four hundred five thousand, five hundred forty-five".