1428882656628 has 24 divisors (see below), whose sum is σ = 3810353751232. Its totient is φ = 408252187584.

The previous prime is 1428882656603. The next prime is 1428882656671. The reversal of 1428882656628 is 8266562888241.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 8505253825 + ... + 8505253992.

Almost surely, 2^{1428882656628} is an apocalyptic number.

It is an amenable number.

1428882656628 is an abundant number, since it is smaller than the sum of its proper divisors (2381471094604).

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

1428882656628 is a wasteful number, since it uses less digits than its factorization.

1428882656628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17010507831 (or 17010507829 counting only the distinct ones).

The product of its digits is 141557760, while the sum is 66.

The spelling of 1428882656628 in words is "one trillion, four hundred twenty-eight billion, eight hundred eighty-two million, six hundred fifty-six thousand, six hundred twenty-eight".