320440112 has 10 divisors (see below), whose sum is σ = 620852748. Its totient is φ = 160220048.

The previous prime is 320440103. The next prime is 320440121. The reversal of 320440112 is 211044023.

It is an interprime number because it is at equal distance from previous prime (320440103) and next prime (320440121).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10013738 + ... + 10013769.

Almost surely, 2^320440112 is an apocalyptic number.

It is an amenable number.

320440112 is a deficient number, since it is larger than the sum of its proper divisors (300412636).

320440112 is a wasteful number, since it uses less digits than its factorization.

320440112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20027515 (or 20027509 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 320440112 is about 17900.8410975574. The cubic root of 320440112 is about 684.3038104109.

Adding to 320440112 its reverse (211044023), we get a palindrome (531484135).

The spelling of 320440112 in words is "three hundred twenty million, four hundred forty thousand, one hundred twelve".