320401405112 has 64 divisors (see below), whose sum is σ = 641292288000. Its totient is φ = 149629711104.

The previous prime is 320401405063. The next prime is 320401405123. The reversal of 320401405112 is 211504104023.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39752939 + ... + 39760997.

It is an arithmetic number, because the mean of its divisors is an integer number (10020192000).

Almost surely, 2^320401405112 is an apocalyptic number.

It is an amenable number.

320401405112 is an abundant number, since it is smaller than the sum of its proper divisors (320890882888).

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

320401405112 is a wasteful number, since it uses less digits than its factorization.

320401405112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11740 (or 11736 counting only the distinct ones).

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

Adding to 320401405112 its reverse (211504104023), we get a palindrome (531905509135).

The spelling of 320401405112 in words is "three hundred twenty billion, four hundred one million, four hundred five thousand, one hundred twelve".