512141640 has 32 divisors (see below), whose sum is σ = 1536425280. Its totient is φ = 136571072.

The previous prime is 512141627. The next prime is 512141659. The reversal of 512141640 is 46141215.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 512141640.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2133804 + ... + 2134043.

It is an arithmetic number, because the mean of its divisors is an integer number (48013290).

Almost surely, 2^512141640 is an apocalyptic number.

It is an amenable number.

512141640 is an abundant number, since it is smaller than the sum of its proper divisors (1024283640).

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

512141640 is a wasteful number, since it uses less digits than its factorization.

512141640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4267861 (or 4267857 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 512141640 is about 22630.5466129301. The cubic root of 512141640 is about 800.0737640317.

Adding to 512141640 its reverse (46141215), we get a palindrome (558282855).

The spelling of 512141640 in words is "five hundred twelve million, one hundred forty-one thousand, six hundred forty".