320444052 has 24 divisors (see below), whose sum is σ = 749251776. Its totient is φ = 106593408.

The previous prime is 320444023. The next prime is 320444053. The reversal of 320444052 is 250444023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320444053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21573 + ... + 33260.

It is an arithmetic number, because the mean of its divisors is an integer number (31218824).

Almost surely, 2^320444052 is an apocalyptic number.

It is an amenable number.

320444052 is an abundant number, since it is smaller than the sum of its proper divisors (428807724).

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

320444052 is a wasteful number, since it uses less digits than its factorization.

320444052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55327 (or 55325 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 320444052 is about 17900.9511479139. The cubic root of 320444052 is about 684.3066150389.

Adding to 320444052 its reverse (250444023), we get a palindrome (570888075).

The spelling of 320444052 in words is "three hundred twenty million, four hundred forty-four thousand, fifty-two".