320064441 has 8 divisors (see below), whose sum is σ = 427177920. Its totient is φ = 213163632.

The previous prime is 320064421. The next prime is 320064449. The reversal of 320064441 is 144460023.

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

It is not a de Polignac number, because 320064441 - 2¹⁸ = 319802297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320064449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49621 + ... + 55698.

It is an arithmetic number, because the mean of its divisors is an integer number (53397240).

Almost surely, 2^320064441 is an apocalyptic number.

It is an amenable number.

320064441 is a deficient number, since it is larger than the sum of its proper divisors (107113479).

320064441 is a wasteful number, since it uses less digits than its factorization.

320064441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106335.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 320064441 is about 17890.3449100346. The cubic root of 320064441 is about 684.0362891557.

The spelling of 320064441 in words is "three hundred twenty million, sixty-four thousand, four hundred forty-one".