320440010200 has 48 divisors (see below), whose sum is σ = 745706412360. Its totient is φ = 128058432000.

The previous prime is 320440010159. The next prime is 320440010201. The reversal of 320440010200 is 2010044023.

It is a super-2 number, since 2×320440010200² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320440010201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 516081 + ... + 952480.

Almost surely, 2^320440010200 is an apocalyptic number.

It is an amenable number.

320440010200 is an abundant number, since it is smaller than the sum of its proper divisors (425266402160).

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

320440010200 is a wasteful number, since it uses less digits than its factorization.

320440010200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1469668 (or 1469659 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 320440010200 its reverse (2010044023), we get a palindrome (322450054223).

The spelling of 320440010200 in words is "three hundred twenty billion, four hundred forty million, ten thousand, two hundred".