512455325402 has 24 divisors (see below), whose sum is σ = 816798557340. Its totient is φ = 241084828160.

The previous prime is 512455325387. The next prime is 512455325413. The reversal of 512455325402 is 204523554215.

It can be written as a sum of positive squares in 6 ways, for example, as 170091081241 + 342364244161 = 412421^2 + 585119^2 .

It is a super-2 number, since 2×512455325402² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1872374 + ... + 2128542.

Almost surely, 2^512455325402 is an apocalyptic number.

512455325402 is a deficient number, since it is larger than the sum of its proper divisors (304343231938).

512455325402 is a wasteful number, since it uses less digits than its factorization.

512455325402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259666 (or 259649 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 38.

Adding to 512455325402 its reverse (204523554215), we get a palindrome (716978879617).

The spelling of 512455325402 in words is "five hundred twelve billion, four hundred fifty-five million, three hundred twenty-five thousand, four hundred two".