320440054030 has 32 divisors (see below), whose sum is σ = 589250609280. Its totient is φ = 125409189120.

The previous prime is 320440054021. The next prime is 320440054079. The reversal of 320440054030 is 30450044023.

It is a junction number, because it is equal to n+sod(n) for n = 320440053986 and 320440054004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1402000 + ... + 1614460.

It is an arithmetic number, because the mean of its divisors is an integer number (18414081540).

Almost surely, 2^320440054030 is an apocalyptic number.

320440054030 is a deficient number, since it is larger than the sum of its proper divisors (268810555250).

320440054030 is a wasteful number, since it uses less digits than its factorization.

320440054030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215724.

The product of its (nonzero) digits is 5760, while the sum is 25.

Adding to 320440054030 its reverse (30450044023), we get a palindrome (350890098053).

The spelling of 320440054030 in words is "three hundred twenty billion, four hundred forty million, fifty-four thousand, thirty".