320404342435 has 8 divisors (see below), whose sum is σ = 385027507440. Its totient is φ = 255961942944.

The previous prime is 320404342387. The next prime is 320404342441. The reversal of 320404342435 is 534243404023.

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 320404342435 - 2¹¹ = 320404340387 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 320404342435.

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, 45187477 + ... + 45194566.

It is an arithmetic number, because the mean of its divisors is an integer number (48128438430).

Almost surely, 2^320404342435 is an apocalyptic number.

320404342435 is a deficient number, since it is larger than the sum of its proper divisors (64623165005).

320404342435 is an equidigital number, since it uses as much as digits as its factorization.

320404342435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90382757.

The product of its (nonzero) digits is 138240, while the sum is 34.

Adding to 320404342435 its reverse (534243404023), we get a palindrome (854647746458).

The spelling of 320404342435 in words is "three hundred twenty billion, four hundred four million, three hundred forty-two thousand, four hundred thirty-five".