4354644648 has 96 divisors (see below), whose sum is σ = 11739643200. Its totient is φ = 1343485440.

The previous prime is 4354644631. The next prime is 4354644661. The reversal of 4354644648 is 8464464534.

It is a junction number, because it is equal to n+sod(n) for n = 4354644597 and 4354644606.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 526368 + ... + 534576.

It is an arithmetic number, because the mean of its divisors is an integer number (122287950).

Almost surely, 2^4354644648 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 4354644648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5869821600).

4354644648 is an abundant number, since it is smaller than the sum of its proper divisors (7384998552).

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

4354644648 is a wasteful number, since it uses less digits than its factorization.

4354644648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8303 (or 8268 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 48.

The square root of 4354644648 is about 65989.7313829962. The cubic root of 4354644648 is about 1632.9926889035.

The spelling of 4354644648 in words is "four billion, three hundred fifty-four million, six hundred forty-four thousand, six hundred forty-eight".