628404668416 has 96 divisors (see below), whose sum is σ = 1482326576640. Its totient is φ = 260628480000.

The previous prime is 628404668401. The next prime is 628404668459. The reversal of 628404668416 is 614866404826.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262585 + ... + 1151416.

It is an arithmetic number, because the mean of its divisors is an integer number (15440901840).

Almost surely, 2^628404668416 is an apocalyptic number.

It is an amenable number.

628404668416 is an abundant number, since it is smaller than the sum of its proper divisors (853921908224).

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

628404668416 is a wasteful number, since it uses less digits than its factorization.

628404668416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1414061 (or 1414041 counting only the distinct ones).

The product of its (nonzero) digits is 10616832, while the sum is 55.

The spelling of 628404668416 in words is "six hundred twenty-eight billion, four hundred four million, six hundred sixty-eight thousand, four hundred sixteen".