510044420 has 12 divisors (see below), whose sum is σ = 1071093324. Its totient is φ = 204017760.

The previous prime is 510044419. The next prime is 510044443. The reversal of 510044420 is 24440015.

It can be written as a sum of positive squares in 2 ways, for example, as 290293444 + 219750976 = 17038^2 + 14824^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 25502221 = 510044420 / (5 + 1 + 0 + 0 + 4 + 4 + 4 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 510044392 and 510044401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12751091 + ... + 12751130.

It is an arithmetic number, because the mean of its divisors is an integer number (89257777).

Almost surely, 2^510044420 is an apocalyptic number.

It is an amenable number.

510044420 is an abundant number, since it is smaller than the sum of its proper divisors (561048904).

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

510044420 is a wasteful number, since it uses less digits than its factorization.

510044420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25502230 (or 25502228 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 510044420 is about 22584.1630351891. The cubic root of 510044420 is about 798.9801692339.

Adding to 510044420 its reverse (24440015), we get a palindrome (534484435).

The spelling of 510044420 in words is "five hundred ten million, forty-four thousand, four hundred twenty".