320200957404 has 72 divisors (see below), whose sum is σ = 819902603520. Its totient is φ = 105349140000.

The previous prime is 320200957397. The next prime is 320200957423. The reversal of 320200957404 is 404759002023.

320200957404 is a `hidden beast` number, since 320 + 200 + 95 + 7 + 40 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 9912279 + ... + 9944529.

It is an arithmetic number, because the mean of its divisors is an integer number (11387536160).

Almost surely, 2^320200957404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320200957404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (409951301760).

320200957404 is an abundant number, since it is smaller than the sum of its proper divisors (499701646116).

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

320200957404 is a wasteful number, since it uses less digits than its factorization.

320200957404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35831 (or 35826 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

Adding to 320200957404 its reverse (404759002023), we get a palindrome (724959959427).

The spelling of 320200957404 in words is "three hundred twenty billion, two hundred million, nine hundred fifty-seven thousand, four hundred four".