628009321576 has 256 divisors, whose sum is σ = 1532061941760. Its totient is φ = 234551116800.

The previous prime is 628009321543. The next prime is 628009321631. The reversal of 628009321576 is 675123900826.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 482712126 + ... + 482713426.

It is an arithmetic number, because the mean of its divisors is an integer number (5984616960).

Almost surely, 2^628009321576 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 628009321576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (766030970880).

628009321576 is an abundant number, since it is smaller than the sum of its proper divisors (904052620184).

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

628009321576 is a wasteful number, since it uses less digits than its factorization.

628009321576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1704 (or 1700 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 628009321576 in words is "six hundred twenty-eight billion, nine million, three hundred twenty-one thousand, five hundred seventy-six".