320436354402 has 32 divisors (see below), whose sum is σ = 712131091200. Its totient is φ = 106804572624.

The previous prime is 320436354397. The next prime is 320436354421. The reversal of 320436354402 is 204453634023.

320436354402 is a `hidden beast` number, since 3 + 204 + 3 + 6 + 3 + 5 + 440 + 2 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 589863 + ... + 994389.

It is an arithmetic number, because the mean of its divisors is an integer number (22254096600).

Almost surely, 2^320436354402 is an apocalyptic number.

320436354402 is an abundant number, since it is smaller than the sum of its proper divisors (391694736798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320436354402 is a wasteful number, since it uses less digits than its factorization.

320436354402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419207 (or 419201 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 36.

Adding to 320436354402 its reverse (204453634023), we get a palindrome (524889988425).

The spelling of 320436354402 in words is "three hundred twenty billion, four hundred thirty-six million, three hundred fifty-four thousand, four hundred two".