320341140 has 144 divisors (see below), whose sum is σ = 1169051520. Its totient is φ = 69361920.

The previous prime is 320341139. The next prime is 320341157. The reversal of 320341140 is 41143023.

320341140 is a `hidden beast` number, since 320 + 341 + 1 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17250 + ... + 30630.

Almost surely, 2^320341140 is an apocalyptic number.

320341140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320341140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (584525760).

320341140 is an abundant number, since it is smaller than the sum of its proper divisors (848710380).

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

320341140 is a wasteful number, since it uses less digits than its factorization.

320341140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13422 (or 13417 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 320341140 is about 17898.0764329578. The cubic root of 320341140 is about 684.2333511808.

Adding to 320341140 its reverse (41143023), we get a palindrome (361484163).

The spelling of 320341140 in words is "three hundred twenty million, three hundred forty-one thousand, one hundred forty".