512216436 has 24 divisors (see below), whose sum is σ = 1212007104. Its totient is φ = 168333760.

The previous prime is 512216431. The next prime is 512216479. The reversal of 512216436 is 634612215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512216431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299745 + ... + 301448.

It is an arithmetic number, because the mean of its divisors is an integer number (50500296).

Almost surely, 2^512216436 is an apocalyptic number.

It is an amenable number.

512216436 is an abundant number, since it is smaller than the sum of its proper divisors (699790668).

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

512216436 is a wasteful number, since it uses less digits than its factorization.

512216436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601271 (or 601269 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 512216436 is about 22632.1990977457. The cubic root of 512216436 is about 800.1127112028.

The spelling of 512216436 in words is "five hundred twelve million, two hundred sixteen thousand, four hundred thirty-six".