320115040421 has 8 divisors (see below), whose sum is σ = 349261905888. Its totient is φ = 290975758000.

The previous prime is 320115040387. The next prime is 320115040439. The reversal of 320115040421 is 124040511023.

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

It is a cyclic number.

It is not a de Polignac number, because 320115040421 - 2¹⁰ = 320115039397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320115040471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1807310 + ... + 1976511.

It is an arithmetic number, because the mean of its divisors is an integer number (43657738236).

Almost surely, 2^320115040421 is an apocalyptic number.

It is an amenable number.

320115040421 is a deficient number, since it is larger than the sum of its proper divisors (29146865467).

320115040421 is a wasteful number, since it uses less digits than its factorization.

320115040421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3791523.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 320115040421 its reverse (124040511023), we get a palindrome (444155551444).

The spelling of 320115040421 in words is "three hundred twenty billion, one hundred fifteen million, forty thousand, four hundred twenty-one".