510142420 has 12 divisors (see below), whose sum is σ = 1071299124. Its totient is φ = 204056960.

The previous prime is 510142361. The next prime is 510142429. The reversal of 510142420 is 24241015.

It can be written as a sum of positive squares in 2 ways, for example, as 379314576 + 130827844 = 19476^2 + 11438^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (510142429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12753541 + ... + 12753580.

It is an arithmetic number, because the mean of its divisors is an integer number (89274927).

Almost surely, 2^510142420 is an apocalyptic number.

It is an amenable number.

510142420 is an abundant number, since it is smaller than the sum of its proper divisors (561156704).

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

510142420 is a wasteful number, since it uses less digits than its factorization.

510142420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25507130 (or 25507128 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 510142420 is about 22586.3325929643. The cubic root of 510142420 is about 799.0313380075.

Adding to 510142420 its reverse (24241015), we get a palindrome (534383435).

The spelling of 510142420 in words is "five hundred ten million, one hundred forty-two thousand, four hundred twenty".