510040422 has 16 divisors (see below), whose sum is σ = 1133423280. Its totient is φ = 170013456.

The previous prime is 510040417. The next prime is 510040423. The reversal of 510040422 is 224040015.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 510040395 and 510040404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (510040423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4722543 + ... + 4722650.

It is an arithmetic number, because the mean of its divisors is an integer number (70838955).

Almost surely, 2^510040422 is an apocalyptic number.

510040422 is an abundant number, since it is smaller than the sum of its proper divisors (623382858).

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

510040422 is a wasteful number, since it uses less digits than its factorization.

510040422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9445204 (or 9445198 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 510040422 is about 22584.0745216624. The cubic root of 510040422 is about 798.9780816177.

Adding to 510040422 its reverse (224040015), we get a palindrome (734080437).

The spelling of 510040422 in words is "five hundred ten million, forty thousand, four hundred twenty-two".