512162420 has 48 divisors (see below), whose sum is σ = 1340938368. Its totient is φ = 159634560.

The previous prime is 512162419. The next prime is 512162437. The reversal of 512162420 is 24261215.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 164747 + ... + 167826.

It is an arithmetic number, because the mean of its divisors is an integer number (27936216).

Almost surely, 2^512162420 is an apocalyptic number.

It is an amenable number.

512162420 is an abundant number, since it is smaller than the sum of its proper divisors (828775948).

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

512162420 is a wasteful number, since it uses less digits than its factorization.

512162420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332600 (or 332598 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 512162420 is about 22631.0057222387. The cubic root of 512162420 is about 800.0845848064.

The spelling of 512162420 in words is "five hundred twelve million, one hundred sixty-two thousand, four hundred twenty".