628271434882 has 48 divisors (see below), whose sum is σ = 1180706119992. Its totient is φ = 248524174080.

The previous prime is 628271434831. The next prime is 628271434969. The reversal of 628271434882 is 288434172826.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 455515656561 + 172755778321 = 674919^2 + 415639^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23505958 + ... + 23532670.

Almost surely, 2^628271434882 is an apocalyptic number.

628271434882 is a deficient number, since it is larger than the sum of its proper divisors (552434685110).

628271434882 is a wasteful number, since it uses less digits than its factorization.

628271434882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45203 (or 45196 counting only the distinct ones).

The product of its digits is 8257536, while the sum is 55.

The spelling of 628271434882 in words is "six hundred twenty-eight billion, two hundred seventy-one million, four hundred thirty-four thousand, eight hundred eighty-two".