4345320000 has 420 divisors, whose sum is σ = 16734830640. Its totient is φ = 991872000.

The previous prime is 4345319987. The next prime is 4345320101. The reversal of 4345320000 is 235434.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (420).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 5879631 + ... + 5880369.

Almost surely, 2^4345320000 is an apocalyptic number.

4345320000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4345320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8367415320).

4345320000 is an abundant number, since it is smaller than the sum of its proper divisors (12389510640).

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

4345320000 is an equidigital number, since it uses as much as digits as its factorization.

4345320000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788 (or 756 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 4345320000 is about 65919.0412551639. The cubic root of 4345320000 is about 1631.8262742796.

Adding to 4345320000 its reverse (235434), we get a palindrome (4345555434).

The spelling of 4345320000 in words is "four billion, three hundred forty-five million, three hundred twenty thousand".