4644514420 has 96 divisors (see below), whose sum is σ = 12019811328. Its totient is φ = 1468012032.

The previous prime is 4644514367. The next prime is 4644514421. The reversal of 4644514420 is 244154464.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4644514421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2250309 + ... + 2252371.

It is an arithmetic number, because the mean of its divisors is an integer number (125206368).

Almost surely, 2^4644514420 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 4644514420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6009905664).

4644514420 is an abundant number, since it is smaller than the sum of its proper divisors (7375296908).

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

4644514420 is a wasteful number, since it uses less digits than its factorization.

4644514420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3329 (or 3327 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 34.

The square root of 4644514420 is about 68150.6743913808. The cubic root of 4644514420 is about 1668.4509306706.

Adding to 4644514420 its reverse (244154464), we get a palindrome (4888668884).

The spelling of 4644514420 in words is "four billion, six hundred forty-four million, five hundred fourteen thousand, four hundred twenty".