628628048 has 20 divisors (see below), whose sum is σ = 1221428148. Its totient is φ = 313420800.

The previous prime is 628628047. The next prime is 628628069. The reversal of 628628048 is 840826826.

It can be written as a sum of positive squares in 2 ways, for example, as 435640384 + 192987664 = 20872^2 + 13892^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628628047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50003 + ... + 61298.

Almost surely, 2^628628048 is an apocalyptic number.

It is an amenable number.

628628048 is a deficient number, since it is larger than the sum of its proper divisors (592800100).

628628048 is a wasteful number, since it uses less digits than its factorization.

628628048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111662 (or 111656 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 44.

The square root of 628628048 is about 25072.4559626695. The cubic root of 628628048 is about 856.6391491074.

The spelling of 628628048 in words is "six hundred twenty-eight million, six hundred twenty-eight thousand, forty-eight".