628264048 has 20 divisors (see below), whose sum is σ = 1217946600. Its totient is φ = 313955264.

The previous prime is 628264031. The next prime is 628264069. The reversal of 628264048 is 840462826.

It is a self number, because there is not a number n which added to its sum of digits gives 628264048.

It is a congruent number.

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, 21111 + ... + 41257.

It is an arithmetic number, because the mean of its divisors is an integer number (60897330).

Almost surely, 2^628264048 is an apocalyptic number.

It is an amenable number.

628264048 is a deficient number, since it is larger than the sum of its proper divisors (589682552).

628264048 is a wasteful number, since it uses less digits than its factorization.

628264048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22104 (or 22098 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 40.

The square root of 628264048 is about 25065.1959497627. The cubic root of 628264048 is about 856.4737747628.

The spelling of 628264048 in words is "six hundred twenty-eight million, two hundred sixty-four thousand, forty-eight".