4490660945 has 8 divisors (see below), whose sum is σ = 5431225344. Its totient is φ = 3564240624.

The previous prime is 4490660927. The next prime is 4490660981. The reversal of 4490660945 is 5490660944.

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 4490660945 - 2²⁸ = 4222225489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4490660945.

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 7 ways as a sum of consecutive naturals, for example, 3535319 + ... + 3536588.

It is an arithmetic number, because the mean of its divisors is an integer number (678903168).

Almost surely, 2^4490660945 is an apocalyptic number.

It is an amenable number.

4490660945 is a deficient number, since it is larger than the sum of its proper divisors (940564399).

4490660945 is a wasteful number, since it uses less digits than its factorization.

4490660945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7072039.

The product of its (nonzero) digits is 933120, while the sum is 47.

The square root of 4490660945 is about 67012.3939655942. The cubic root of 4490660945 is about 1649.8207267730.

Subtracting 4490660945 from its reverse (5490660944), we obtain a palindrome (999999999).

The spelling of 4490660945 in words is "four billion, four hundred ninety million, six hundred sixty thousand, nine hundred forty-five".