320042032 has 40 divisors (see below), whose sum is σ = 628531200. Its totient is φ = 157856832.

The previous prime is 320042027. The next prime is 320042053. The reversal of 320042032 is 230240023.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 320041997 and 320042015.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 485319 + ... + 485977.

It is an arithmetic number, because the mean of its divisors is an integer number (15713280).

Almost surely, 2^320042032 is an apocalyptic number.

It is an amenable number.

320042032 is a deficient number, since it is larger than the sum of its proper divisors (308489168).

320042032 is a wasteful number, since it uses less digits than its factorization.

320042032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033 (or 1027 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 320042032 is about 17889.7186115377. The cubic root of 320042032 is about 684.0203247383.

Adding to 320042032 its reverse (230240023), we get a palindrome (550282055).

The spelling of 320042032 in words is "three hundred twenty million, forty-two thousand, thirty-two".