628800402 has 32 divisors (see below), whose sum is σ = 1326885120. Its totient is φ = 198104400.

The previous prime is 628800371. The next prime is 628800439. The reversal of 628800402 is 204008826.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 628800402.

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, 44277 + ... + 56727.

It is an arithmetic number, because the mean of its divisors is an integer number (41465160).

Almost surely, 2^628800402 is an apocalyptic number.

628800402 is an abundant number, since it is smaller than the sum of its proper divisors (698084718).

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

628800402 is a wasteful number, since it uses less digits than its factorization.

628800402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12918.

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 628800402 is about 25075.8928455200. The cubic root of 628800402 is about 856.7174315899.

The spelling of 628800402 in words is "six hundred twenty-eight million, eight hundred thousand, four hundred two".