4045115405 has 8 divisors (see below), whose sum is σ = 5139676152. Its totient is φ = 3045733888.

The previous prime is 4045115401. The next prime is 4045115407. The reversal of 4045115405 is 5045115404.

It can be written as a sum of positive squares in 4 ways, for example, as 773618596 + 3271496809 = 27814^2 + 57197^2 .

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 4045115405 - 2² = 4045115401 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4045115401) 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, 23794712 + ... + 23794881.

It is an arithmetic number, because the mean of its divisors is an integer number (642459519).

Almost surely, 2^4045115405 is an apocalyptic number.

It is an amenable number.

4045115405 is a deficient number, since it is larger than the sum of its proper divisors (1094560747).

4045115405 is a wasteful number, since it uses less digits than its factorization.

4045115405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47589615.

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 4045115405 is about 63601.2217256870. The cubic root of 4045115405 is about 1593.3467741562.

Subtracting 4045115405 from its reverse (5045115404), we obtain a palindrome (999999999).

The spelling of 4045115405 in words is "four billion, forty-five million, one hundred fifteen thousand, four hundred five".