1628104034320 has 40 divisors (see below), whose sum is σ = 3786649060824. Its totient is φ = 651016722432.

The previous prime is 1628104034273. The next prime is 1628104034341. The reversal of 1628104034320 is 234304018261.

It can be written as a sum of positive squares in 4 ways, for example, as 117830173696 + 1510273860624 = 343264^2 + 1228932^2 .

It is a tau number, because it is divible by the number of its divisors (40).

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 7 ways as a sum of consecutive naturals, for example, 3280719 + ... + 3744238.

Almost surely, 2^{1628104034320} is an apocalyptic number.

1628104034320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1628104034320 is an abundant number, since it is smaller than the sum of its proper divisors (2158545026504).

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

1628104034320 is a wasteful number, since it uses less digits than its factorization.

1628104034320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7027867 (or 7027861 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The spelling of 1628104034320 in words is "one trillion, six hundred twenty-eight billion, one hundred four million, thirty-four thousand, three hundred twenty".