512340464 has 20 divisors (see below), whose sum is σ = 1008934680. Its totient is φ = 251970240.

The previous prime is 512340449. The next prime is 512340511. The reversal of 512340464 is 464043215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261494 + ... + 263445.

It is an arithmetic number, because the mean of its divisors is an integer number (50446734).

Almost surely, 2^512340464 is an apocalyptic number.

It is an amenable number.

512340464 is a deficient number, since it is larger than the sum of its proper divisors (496594216).

512340464 is a wasteful number, since it uses less digits than its factorization.

512340464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525008 (or 525002 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 512340464 is about 22634.9390103000. The cubic root of 512340464 is about 800.1772857093.

Adding to 512340464 its reverse (464043215), we get a palindrome (976383679).

The spelling of 512340464 in words is "five hundred twelve million, three hundred forty thousand, four hundred sixty-four".