320440414 has 8 divisors (see below), whose sum is σ = 549326448. Its totient is φ = 137331600.

The previous prime is 320440411. The next prime is 320440423. The reversal of 320440414 is 414044023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320440411) 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 3 ways as a sum of consecutive naturals, for example, 11444287 + ... + 11444314.

It is an arithmetic number, because the mean of its divisors is an integer number (68665806).

Almost surely, 2^320440414 is an apocalyptic number.

320440414 is a deficient number, since it is larger than the sum of its proper divisors (228886034).

320440414 is a wasteful number, since it uses less digits than its factorization.

320440414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22888610.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 320440414 is about 17900.8495329132. The cubic root of 320440414 is about 684.3040253857.

Adding to 320440414 its reverse (414044023), we get a palindrome (734484437).

The spelling of 320440414 in words is "three hundred twenty million, four hundred forty thousand, four hundred fourteen".