512438322 has 32 divisors (see below), whose sum is σ = 1176894720. Its totient is φ = 147111120.

The previous prime is 512438317. The next prime is 512438351. The reversal of 512438322 is 223834215.

It is a self number, because there is not a number n which added to its sum of digits gives 512438322.

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 15 ways as a sum of consecutive naturals, for example, 203068 + ... + 205575.

It is an arithmetic number, because the mean of its divisors is an integer number (36777960).

Almost surely, 2^512438322 is an apocalyptic number.

512438322 is an abundant number, since it is smaller than the sum of its proper divisors (664456398).

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

512438322 is a wasteful number, since it uses less digits than its factorization.

512438322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408678.

The product of its digits is 11520, while the sum is 30.

The square root of 512438322 is about 22637.1005652226. The cubic root of 512438322 is about 800.2282275923.

It can be divided in two parts, 512 and 438322, that added together give a palindrome (438834).

The spelling of 512438322 in words is "five hundred twelve million, four hundred thirty-eight thousand, three hundred twenty-two".