512805480 has 64 divisors (see below), whose sum is σ = 1678276800. Its totient is φ = 124316160.

The previous prime is 512805443. The next prime is 512805481. The reversal of 512805480 is 84508215.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (512805481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192925 + ... + 195564.

It is an arithmetic number, because the mean of its divisors is an integer number (26223075).

Almost surely, 2^512805480 is an apocalyptic number.

It is an amenable number.

512805480 is an abundant number, since it is smaller than the sum of its proper divisors (1165471320).

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

512805480 is a wasteful number, since it uses less digits than its factorization.

512805480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388514 (or 388510 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 33.

The square root of 512805480 is about 22645.2087647696. The cubic root of 512805480 is about 800.4193010282.

The spelling of 512805480 in words is "five hundred twelve million, eight hundred five thousand, four hundred eighty".