512040168 has 96 divisors (see below), whose sum is σ = 1454207040. Its totient is φ = 162455040.

The previous prime is 512040127. The next prime is 512040181. The reversal of 512040168 is 861040215.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 398455 + ... + 399737.

It is an arithmetic number, because the mean of its divisors is an integer number (15147990).

Almost surely, 2^512040168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 512040168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (727103520).

512040168 is an abundant number, since it is smaller than the sum of its proper divisors (942166872).

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

512040168 is a wasteful number, since it uses less digits than its factorization.

512040168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559 (or 1552 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 512040168 is about 22628.3045763486. The cubic root of 512040168 is about 800.0209202863.

The spelling of 512040168 in words is "five hundred twelve million, forty thousand, one hundred sixty-eight".