512811808 has 48 divisors (see below), whose sum is σ = 1038967776. Its totient is φ = 249016320.

The previous prime is 512811799. The next prime is 512811809. The reversal of 512811808 is 808118215.

It is not an unprimeable number, because it can be changed into a prime (512811809) 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, 264603 + ... + 266533.

It is an arithmetic number, because the mean of its divisors is an integer number (21645162).

Almost surely, 2^512811808 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 512811808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (519483888).

512811808 is an abundant number, since it is smaller than the sum of its proper divisors (526155968).

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

512811808 is a wasteful number, since it uses less digits than its factorization.

512811808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2177 (or 2169 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 34.

The square root of 512811808 is about 22645.3484848434. The cubic root of 512811808 is about 800.4225933959.

The spelling of 512811808 in words is "five hundred twelve million, eight hundred eleven thousand, eight hundred eight".