4515605990 has 32 divisors (see below), whose sum is σ = 9307151424. Its totient is φ = 1545223680.

The previous prime is 4515605959. The next prime is 4515605993. The reversal of 4515605990 is 995065154.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4515605993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25439 + ... + 98378.

It is an arithmetic number, because the mean of its divisors is an integer number (290848482).

Almost surely, 2^4515605990 is an apocalyptic number.

4515605990 is an abundant number, since it is smaller than the sum of its proper divisors (4791545434).

4515605990 is a wasteful number, since it uses less digits than its factorization.

4515605990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124352.

The product of its (nonzero) digits is 243000, while the sum is 44.

The square root of 4515605990 is about 67198.2588316096. The cubic root of 4515605990 is about 1652.8699351758.

The spelling of 4515605990 in words is "four billion, five hundred fifteen million, six hundred five thousand, nine hundred ninety".