320441232 has 40 divisors (see below), whose sum is σ = 871377760. Its totient is φ = 101191680.

The previous prime is 320441227. The next prime is 320441237. The reversal of 320441232 is 232144023.

It is an interprime number because it is at equal distance from previous prime (320441227) and next prime (320441237).

It is a junction number, because it is equal to n+sod(n) for n = 320441199 and 320441208.

It is not an unprimeable number, because it can be changed into a prime (320441237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174769 + ... + 176592.

It is an arithmetic number, because the mean of its divisors is an integer number (21784444).

Almost surely, 2^320441232 is an apocalyptic number.

It is an amenable number.

320441232 is an abundant number, since it is smaller than the sum of its proper divisors (550936528).

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

320441232 is a wasteful number, since it uses less digits than its factorization.

320441232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351391 (or 351385 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 320441232 is about 17900.8723809763. The cubic root of 320441232 is about 684.3046076679.

Adding to 320441232 its reverse (232144023), we get a palindrome (552585255).

The spelling of 320441232 in words is "three hundred twenty million, four hundred forty-one thousand, two hundred thirty-two".