511342200464 has 80 divisors (see below), whose sum is σ = 1044429115056. Its totient is φ = 242258688000.

The previous prime is 511342200443. The next prime is 511342200511. The reversal of 511342200464 is 464002243115.

It can be written as a sum of positive squares in 8 ways, for example, as 77050656400 + 434291544064 = 277580^2 + 659008^2 .

It is a super-2 number, since 2×511342200464² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 511342200464.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3577214 + ... + 3717410.

Almost surely, 2^511342200464 is an apocalyptic number.

It is an amenable number.

511342200464 is an abundant number, since it is smaller than the sum of its proper divisors (533086914592).

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

511342200464 is a wasteful number, since it uses less digits than its factorization.

511342200464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140404 (or 140398 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 511342200464 its reverse (464002243115), we get a palindrome (975344443579).

The spelling of 511342200464 in words is "five hundred eleven billion, three hundred forty-two million, two hundred thousand, four hundred sixty-four".