320432405334 has 16 divisors (see below), whose sum is σ = 641365893120. Its totient is φ = 106727288040.

The previous prime is 320432405239. The next prime is 320432405347. The reversal of 320432405334 is 433504234023.

It is a junction number, because it is equal to n+sod(n) for n = 320432405295 and 320432405304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20870122 + ... + 20885469.

It is an arithmetic number, because the mean of its divisors is an integer number (40085368320).

Almost surely, 2^320432405334 is an apocalyptic number.

320432405334 is an abundant number, since it is smaller than the sum of its proper divisors (320933487786).

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

320432405334 is a wasteful number, since it uses less digits than its factorization.

320432405334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41756875.

The product of its (nonzero) digits is 103680, while the sum is 33.

Adding to 320432405334 its reverse (433504234023), we get a palindrome (753936639357).

The spelling of 320432405334 in words is "three hundred twenty billion, four hundred thirty-two million, four hundred five thousand, three hundred thirty-four".