320045412 has 48 divisors (see below), whose sum is σ = 771059520. Its totient is φ = 103243392.

The previous prime is 320045371. The next prime is 320045423. The reversal of 320045412 is 214540023.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85639 + ... + 89297.

It is an arithmetic number, because the mean of its divisors is an integer number (16063740).

Almost surely, 2^320045412 is an apocalyptic number.

It is an amenable number.

320045412 is an abundant number, since it is smaller than the sum of its proper divisors (451014108).

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

320045412 is a wasteful number, since it uses less digits than its factorization.

320045412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3900 (or 3898 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 320045412 is about 17889.8130789564. The cubic root of 320045412 is about 684.0227327351.

Adding to 320045412 its reverse (214540023), we get a palindrome (534585435).

The spelling of 320045412 in words is "three hundred twenty million, forty-five thousand, four hundred twelve".