4505320881 has 6 divisors (see below), whose sum is σ = 6507685730. Its totient is φ = 3003547248.

The previous prime is 4505320849. The next prime is 4505320901. The reversal of 4505320881 is 1880235054.

It is a happy number.

4505320881 is a `hidden beast` number, since 45 + 0 + 532 + 0 + 8 + 81 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4405640625 + 99680256 = 66375^2 + 9984^2 .

It is not a de Polignac number, because 4505320881 - 2⁵ = 4505320849 is a prime.

It is a super-2 number, since 2×4505320881² = 40595832481549232322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4505320081) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 250295596 + ... + 250295613.

Almost surely, 2^4505320881 is an apocalyptic number.

It is an amenable number.

4505320881 is a deficient number, since it is larger than the sum of its proper divisors (2002364849).

4505320881 is a wasteful number, since it uses less digits than its factorization.

4505320881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500591215 (or 500591212 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 4505320881 is about 67121.6871137787. The cubic root of 4505320881 is about 1651.6140778477.

The spelling of 4505320881 in words is "four billion, five hundred five million, three hundred twenty thousand, eight hundred eighty-one".