320404415120434 has 32 divisors (see below), whose sum is σ = 488906232436800. Its totient is φ = 157437386219520.

The previous prime is 320404415120333. The next prime is 320404415120513. The reversal of 320404415120434 is 434021514404023.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 320404415120393 and 320404415120402.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7555083022 + ... + 7555125430.

It is an arithmetic number, because the mean of its divisors is an integer number (15278319763650).

Almost surely, 2^{320404415120434} is an apocalyptic number.

320404415120434 is a deficient number, since it is larger than the sum of its proper divisors (168501817316366).

320404415120434 is a wasteful number, since it uses less digits than its factorization.

320404415120434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61098.

The product of its (nonzero) digits is 184320, while the sum is 37.

Adding to 320404415120434 its reverse (434021514404023), we get a palindrome (754425929524457).

The spelling of 320404415120434 in words is "three hundred twenty trillion, four hundred four billion, four hundred fifteen million, one hundred twenty thousand, four hundred thirty-four".