628855344016 has 15 divisors (see below), whose sum is σ = 1218413374843. Its totient is φ = 314426086000.

The previous prime is 628855343971. The next prime is 628855344043. The reversal of 628855344016 is 610443558826.

The square root of 628855344016 is 793004.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

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 2 ways as a sum of consecutive naturals, for example, 3072891 + ... + 3271141.

Almost surely, 2^628855344016 is an apocalyptic number.

628855344016 is the 793004-th square number.

It is an amenable number.

628855344016 is a deficient number, since it is larger than the sum of its proper divisors (589558030827).

628855344016 is an frugal number, since it uses more digits than its factorization.

628855344016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396510 (or 198253 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 52.

The spelling of 628855344016 in words is "six hundred twenty-eight billion, eight hundred fifty-five million, three hundred forty-four thousand, sixteen".