320401302042 has 32 divisors (see below), whose sum is σ = 641940848640. Its totient is φ = 106610802480.

The previous prime is 320401302031. The next prime is 320401302047. The reversal of 320401302042 is 240203104023.

It is not an unprimeable number, because it can be changed into a prime (320401302047) by changing a digit.

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, 31595809 + ... + 31605947.

It is an arithmetic number, because the mean of its divisors is an integer number (20060651520).

Almost surely, 2^320401302042 is an apocalyptic number.

320401302042 is an abundant number, since it is smaller than the sum of its proper divisors (321539546598).

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

320401302042 is a wasteful number, since it uses less digits than its factorization.

320401302042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18978.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 320401302042 its reverse (240203104023), we get a palindrome (560604406065).

The spelling of 320401302042 in words is "three hundred twenty billion, four hundred one million, three hundred two thousand, forty-two".