4505421144 has 32 divisors (see below), whose sum is σ = 12872632320. Its totient is φ = 1287263136.

The previous prime is 4505421133. The next prime is 4505421199. The reversal of 4505421144 is 4411245054.

It is a congruent number.

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, 13408824 + ... + 13409159.

It is an arithmetic number, because the mean of its divisors is an integer number (402269760).

Almost surely, 2^4505421144 is an apocalyptic number.

It is an amenable number.

4505421144 is an abundant number, since it is smaller than the sum of its proper divisors (8367211176).

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

4505421144 is a wasteful number, since it uses less digits than its factorization.

4505421144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26817999 (or 26817995 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

The square root of 4505421144 is about 67122.4339844735. The cubic root of 4505421144 is about 1651.6263296242.

Adding to 4505421144 its reverse (4411245054), we get a palindrome (8916666198).

The spelling of 4505421144 in words is "four billion, five hundred five million, four hundred twenty-one thousand, one hundred forty-four".