628450545548 has 48 divisors (see below), whose sum is σ = 1258567833600. Its totient is φ = 268979063040.

The previous prime is 628450545517. The next prime is 628450545577. The reversal of 628450545548 is 845545054826.

It is a junction number, because it is equal to n+sod(n) for n = 628450545493 and 628450545502.

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 15 ways as a sum of consecutive naturals, for example, 77764868 + ... + 77772948.

It is an arithmetic number, because the mean of its divisors is an integer number (26220163200).

Almost surely, 2^628450545548 is an apocalyptic number.

It is an amenable number.

628450545548 is an abundant number, since it is smaller than the sum of its proper divisors (630117288052).

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

628450545548 is a wasteful number, since it uses less digits than its factorization.

628450545548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11430 (or 11428 counting only the distinct ones).

The product of its (nonzero) digits is 30720000, while the sum is 56.

The spelling of 628450545548 in words is "six hundred twenty-eight billion, four hundred fifty million, five hundred forty-five thousand, five hundred forty-eight".