320005441 has 16 divisors (see below), whose sum is σ = 375553024. Its totient is φ = 266961744.

The previous prime is 320005409. The next prime is 320005487. The reversal of 320005441 is 144500023.

It is not a de Polignac number, because 320005441 - 2⁵ = 320005409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320005541) 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, 90676 + ... + 94138.

It is an arithmetic number, because the mean of its divisors is an integer number (23472064).

Almost surely, 2^320005441 is an apocalyptic number.

It is an amenable number.

320005441 is a deficient number, since it is larger than the sum of its proper divisors (55547583).

320005441 is a wasteful number, since it uses less digits than its factorization.

320005441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3820.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 320005441 is about 17888.6958999252. The cubic root of 320005441 is about 683.9942553067.

Adding to 320005441 its reverse (144500023), we get a palindrome (464505464).

The spelling of 320005441 in words is "three hundred twenty million, five thousand, four hundred forty-one".