4644519312 has 80 divisors (see below), whose sum is σ = 12231717120. Its totient is φ = 1518335616.

The previous prime is 4644519281. The next prime is 4644519359. The reversal of 4644519312 is 2139154464.

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, 549583 + ... + 557969.

It is an arithmetic number, because the mean of its divisors is an integer number (152896464).

Almost surely, 2^4644519312 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 4644519312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6115858560).

4644519312 is an abundant number, since it is smaller than the sum of its proper divisors (7587197808).

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

4644519312 is a wasteful number, since it uses less digits than its factorization.

4644519312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8620 (or 8614 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The square root of 4644519312 is about 68150.7102824321. The cubic root of 4644519312 is about 1668.4515164555.

The spelling of 4644519312 in words is "four billion, six hundred forty-four million, five hundred nineteen thousand, three hundred twelve".