4028446680 has 32 divisors (see below), whose sum is σ = 12085340400. Its totient is φ = 1074252416.

The previous prime is 4028446661. The next prime is 4028446703. The reversal of 4028446680 is 866448204.

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, 16785075 + ... + 16785314.

Almost surely, 2^4028446680 is an apocalyptic number.

4028446680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4028446680 is an abundant number, since it is smaller than the sum of its proper divisors (8056893720).

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

4028446680 is a wasteful number, since it uses less digits than its factorization.

4028446680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33570403 (or 33570399 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 42.

The square root of 4028446680 is about 63470.0455333065. The cubic root of 4028446680 is about 1591.1551907305.

The spelling of 4028446680 in words is "four billion, twenty-eight million, four hundred forty-six thousand, six hundred eighty".