4115220645 has 16 divisors (see below), whose sum is σ = 6589376640. Its totient is φ = 2193109824.

The previous prime is 4115220631. The next prime is 4115220671. The reversal of 4115220645 is 5460225114.

It is not a de Polignac number, because 4115220645 - 2¹⁵ = 4115187877 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84214 + ... + 123783.

It is an arithmetic number, because the mean of its divisors is an integer number (411836040).

Almost surely, 2^4115220645 is an apocalyptic number.

It is an amenable number.

4115220645 is a deficient number, since it is larger than the sum of its proper divisors (2474155995).

4115220645 is a wasteful number, since it uses less digits than its factorization.

4115220645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209324.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 4115220645 is about 64149.9855416975. The cubic root of 4115220645 is about 1602.4987836696.

Adding to 4115220645 its reverse (5460225114), we get a palindrome (9575445759).

The spelling of 4115220645 in words is "four billion, one hundred fifteen million, two hundred twenty thousand, six hundred forty-five".