4065344445 has 8 divisors (see below), whose sum is σ = 6504551136. Its totient is φ = 2168183696.

The previous prime is 4065344429. The next prime is 4065344447. The reversal of 4065344445 is 5444435604.

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 4065344445 - 2⁴ = 4065344429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4065344447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135511467 + ... + 135511496.

It is an arithmetic number, because the mean of its divisors is an integer number (813068892).

Almost surely, 2^4065344445 is an apocalyptic number.

It is an amenable number.

4065344445 is a deficient number, since it is larger than the sum of its proper divisors (2439206691).

4065344445 is a wasteful number, since it uses less digits than its factorization.

4065344445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271022971.

The product of its (nonzero) digits is 460800, while the sum is 39.

The square root of 4065344445 is about 63760.0536778319. The cubic root of 4065344445 is about 1595.9983915757.

The spelling of 4065344445 in words is "four billion, sixty-five million, three hundred forty-four thousand, four hundred forty-five".