628311463132 has 12 divisors (see below), whose sum is σ = 1103297776056. Its totient is φ = 313083527120.

The previous prime is 628311463099. The next prime is 628311463159. The reversal of 628311463132 is 231364113826.

It is a happy number.

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, 268049794 + ... + 268052137.

It is an arithmetic number, because the mean of its divisors is an integer number (91941481338).

Almost surely, 2^628311463132 is an apocalyptic number.

It is an amenable number.

628311463132 is a deficient number, since it is larger than the sum of its proper divisors (474986312924).

628311463132 is a wasteful number, since it uses less digits than its factorization.

628311463132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536102228 (or 536102226 counting only the distinct ones).

The product of its digits is 124416, while the sum is 40.

Adding to 628311463132 its reverse (231364113826), we get a palindrome (859675576958).

The spelling of 628311463132 in words is "six hundred twenty-eight billion, three hundred eleven million, four hundred sixty-three thousand, one hundred thirty-two".