4350645620 has 24 divisors (see below), whose sum is σ = 9220180200. Its totient is φ = 1724291712.

The previous prime is 4350645619. The next prime is 4350645671. The reversal of 4350645620 is 265460534.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1662845284 + 2687800336 = 40778^2 + 51844^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 995675 + ... + 1000034.

It is an arithmetic number, because the mean of its divisors is an integer number (384174175).

Almost surely, 2^4350645620 is an apocalyptic number.

It is an amenable number.

4350645620 is an abundant number, since it is smaller than the sum of its proper divisors (4869534580).

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

4350645620 is a wasteful number, since it uses less digits than its factorization.

4350645620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1995827 (or 1995825 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

The square root of 4350645620 is about 65959.4240423611. The cubic root of 4350645620 is about 1632.4926570169.

The spelling of 4350645620 in words is "four billion, three hundred fifty million, six hundred forty-five thousand, six hundred twenty".