4514545664 has 64 divisors (see below), whose sum is σ = 9078432480. Its totient is φ = 2244935680.

The previous prime is 4514545663. The next prime is 4514545691. The reversal of 4514545664 is 4665454154.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×4514545664² = 40762245104682401792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4514545663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10190627 + ... + 10191069.

Almost surely, 2^4514545664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4514545664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4539216240).

4514545664 is an abundant number, since it is smaller than the sum of its proper divisors (4563886816).

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

4514545664 is an frugal number, since it uses more digits than its factorization.

4514545664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784 (or 756 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 44.

The square root of 4514545664 is about 67190.3688336357. The cubic root of 4514545664 is about 1652.7405528984.

It can be divided in two parts, 45145 and 45664, that added together give a palindrome (90809).

The spelling of 4514545664 in words is "four billion, five hundred fourteen million, five hundred forty-five thousand, six hundred sixty-four".