320563031264504 has 64 divisors (see below), whose sum is σ = 727418626580160. Its totient is φ = 129286603653120.

The previous prime is 320563031264503. The next prime is 320563031264537. The reversal of 320563031264504 is 405462130365023.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320563031264503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13368557 + ... + 28632924.

It is an arithmetic number, because the mean of its divisors is an integer number (11365916040315).

Almost surely, 2^{320563031264504} is an apocalyptic number.

320563031264504 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

320563031264504 is an abundant number, since it is smaller than the sum of its proper divisors (406855595315656).

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

320563031264504 is a wasteful number, since it uses less digits than its factorization.

320563031264504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42009528 (or 42009524 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 44.

The spelling of 320563031264504 in words is "three hundred twenty trillion, five hundred sixty-three billion, thirty-one million, two hundred sixty-four thousand, five hundred four".