4499559945 has 48 divisors (see below), whose sum is σ = 8152934400. Its totient is φ = 2292900480.

The previous prime is 4499559923. The next prime is 4499559971. The reversal of 4499559945 is 5499559944.

4499559945 is a `hidden beast` number, since 4 + 499 + 5 + 59 + 94 + 5 = 666.

It is not a de Polignac number, because 4499559945 - 2²⁴ = 4482782729 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 89791 + ... + 130619.

It is an arithmetic number, because the mean of its divisors is an integer number (169852800).

Almost surely, 2^4499559945 is an apocalyptic number.

4499559945 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4499559945 is a deficient number, since it is larger than the sum of its proper divisors (3653374455).

4499559945 is a wasteful number, since it uses less digits than its factorization.

4499559945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40950 (or 40947 counting only the distinct ones).

The product of its digits is 52488000, while the sum is 63.

The square root of 4499559945 is about 67078.7592684898. The cubic root of 4499559945 is about 1650.9098067821.

Subtracting 4499559945 from its reverse (5499559944), we obtain a palindrome (999999999).

The spelling of 4499559945 in words is "four billion, four hundred ninety-nine million, five hundred fifty-nine thousand, nine hundred forty-five".