510423320 has 64 divisors (see below), whose sum is σ = 1255219200. Its totient is φ = 185258880.

The previous prime is 510423313. The next prime is 510423343. The reversal of 510423320 is 23324015.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 510423292 and 510423301.

It is a congruent number.

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, 398441 + ... + 399719.

It is an arithmetic number, because the mean of its divisors is an integer number (19612800).

Almost surely, 2^510423320 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 510423320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (627609600).

510423320 is an abundant number, since it is smaller than the sum of its proper divisors (744795880).

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

510423320 is a wasteful number, since it uses less digits than its factorization.

510423320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2208 (or 2204 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 510423320 is about 22592.5500995350. The cubic root of 510423320 is about 799.1779681188.

Adding to 510423320 its reverse (23324015), we get a palindrome (533747335).

The spelling of 510423320 in words is "five hundred ten million, four hundred twenty-three thousand, three hundred twenty".