4489507568 has 80 divisors (see below), whose sum is σ = 11269278720. Its totient is φ = 1682581248.

The previous prime is 4489507553. The next prime is 4489507619. The reversal of 4489507568 is 8657059844.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (56).

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, 53480 + ... + 108807.

It is an arithmetic number, because the mean of its divisors is an integer number (140865984).

Almost surely, 2^4489507568 is an apocalyptic number.

It is an amenable number.

4489507568 is an abundant number, since it is smaller than the sum of its proper divisors (6779771152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4489507568 is a wasteful number, since it uses less digits than its factorization.

4489507568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162334 (or 162328 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 56.

The square root of 4489507568 is about 67003.7877138300. The cubic root of 4489507568 is about 1649.6794685605.

The spelling of 4489507568 in words is "four billion, four hundred eighty-nine million, five hundred seven thousand, five hundred sixty-eight".