320442342 has 32 divisors (see below), whose sum is σ = 705576960. Its totient is φ = 96210720.

The previous prime is 320442341. The next prime is 320442361. The reversal of 320442342 is 243244023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320442341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15078 + ... + 29465.

It is an arithmetic number, because the mean of its divisors is an integer number (22049280).

Almost surely, 2^320442342 is an apocalyptic number.

320442342 is an abundant number, since it is smaller than the sum of its proper divisors (385134618).

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

320442342 is a wasteful number, since it uses less digits than its factorization.

320442342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44668.

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 320442342 is about 17900.9033850250. The cubic root of 320442342 is about 684.3053978047.

Adding to 320442342 its reverse (243244023), we get a palindrome (563686365).

The spelling of 320442342 in words is "three hundred twenty million, four hundred forty-two thousand, three hundred forty-two".