500320380 has 240 divisors, whose sum is σ = 1716632064. Its totient is φ = 108662400.

The previous prime is 500320339. The next prime is 500320391. The reversal of 500320380 is 83023005.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3313305 + ... + 3313455.

Almost surely, 2^500320380 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 500320380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (858316032).

500320380 is an abundant number, since it is smaller than the sum of its proper divisors (1216311684).

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

500320380 is a wasteful number, since it uses less digits than its factorization.

500320380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 500320380 is about 22367.8425423643. The cubic root of 500320380 is about 793.8700136386.

Adding to 500320380 its reverse (83023005), we get a palindrome (583343385).

The spelling of 500320380 in words is "five hundred million, three hundred twenty thousand, three hundred eighty".