512411420 has 24 divisors (see below), whose sum is σ = 1096369344. Its totient is φ = 201096896.

The previous prime is 512411387. The next prime is 512411429. The reversal of 512411420 is 24114215.

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 = 512411392 and 512411401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512411429) 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, 240644 + ... + 242763.

It is an arithmetic number, because the mean of its divisors is an integer number (45682056).

Almost surely, 2^512411420 is an apocalyptic number.

It is an amenable number.

512411420 is an abundant number, since it is smaller than the sum of its proper divisors (583957924).

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

512411420 is a wasteful number, since it uses less digits than its factorization.

512411420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483469 (or 483467 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 512411420 is about 22636.5063558845. The cubic root of 512411420 is about 800.2142238800.

Adding to 512411420 its reverse (24114215), we get a palindrome (536525635).

The spelling of 512411420 in words is "five hundred twelve million, four hundred eleven thousand, four hundred twenty".