628056244 has 24 divisors (see below), whose sum is σ = 1123367336. Its totient is φ = 307152000.

The previous prime is 628056197. The next prime is 628056257. The reversal of 628056244 is 442650826.

628056244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 14899600 + 613156644 = 3860^2 + 24762^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37054 + ... + 51274.

Almost surely, 2^628056244 is an apocalyptic number.

It is an amenable number.

628056244 is a deficient number, since it is larger than the sum of its proper divisors (495311092).

628056244 is a wasteful number, since it uses less digits than its factorization.

628056244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14467 (or 14465 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 37.

The square root of 628056244 is about 25061.0503371267. The cubic root of 628056244 is about 856.3793355414.

The spelling of 628056244 in words is "six hundred twenty-eight million, fifty-six thousand, two hundred forty-four".