4644554464 has 24 divisors (see below), whose sum is σ = 9975237048. Its totient is φ = 2111160960.

The previous prime is 4644554443. The next prime is 4644554477.

4644554464 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6597027 + ... + 6597730.

It is an arithmetic number, because the mean of its divisors is an integer number (415634877).

Almost surely, 2^4644554464 is an apocalyptic number.

4644554464 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4644554464 is an abundant number, since it is smaller than the sum of its proper divisors (5330682584).

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

4644554464 is a wasteful number, since it uses less digits than its factorization.

4644554464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13194778 (or 13194770 counting only the distinct ones).

The product of its digits is 3686400, while the sum is 46.

The square root of 4644554464 is about 68150.9681809437. The cubic root of 4644554464 is about 1668.4557256647.

The spelling of 4644554464 in words is "four billion, six hundred forty-four million, five hundred fifty-four thousand, four hundred sixty-four".