628573456 has 20 divisors (see below), whose sum is σ = 1391841472. Its totient is φ = 269388576.

The previous prime is 628573403. The next prime is 628573489. The reversal of 628573456 is 654375826.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2806020 + ... + 2806243.

Almost surely, 2^628573456 is an apocalyptic number.

It is an amenable number.

628573456 is an abundant number, since it is smaller than the sum of its proper divisors (763268016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

628573456 is a wasteful number, since it uses less digits than its factorization.

628573456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5612278 (or 5612272 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 46.

The square root of 628573456 is about 25071.3672543003. The cubic root of 628573456 is about 856.6143506603.

The spelling of 628573456 in words is "six hundred twenty-eight million, five hundred seventy-three thousand, four hundred fifty-six".