512668448 has 48 divisors (see below), whose sum is σ = 1042481664. Its totient is φ = 247991040.

The previous prime is 512668447. The next prime is 512668463. The reversal of 512668448 is 844866215.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 512668399 and 512668408.

It is not an unprimeable number, because it can be changed into a prime (512668441) 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, 225011 + ... + 227277.

It is an arithmetic number, because the mean of its divisors is an integer number (21718368).

Almost surely, 2^512668448 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 512668448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (521240832).

512668448 is an abundant number, since it is smaller than the sum of its proper divisors (529813216).

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

512668448 is a wasteful number, since it uses less digits than its factorization.

512668448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2505 (or 2497 counting only the distinct ones).

The product of its digits is 368640, while the sum is 44.

The square root of 512668448 is about 22642.1829336308. The cubic root of 512668448 is about 800.3479985993.

The spelling of 512668448 in words is "five hundred twelve million, six hundred sixty-eight thousand, four hundred forty-eight".