4020828187768 has 16 divisors (see below), whose sum is σ = 8616060402480. Its totient is φ = 1723212080448.

The previous prime is 4020828187729. The next prime is 4020828187799. The reversal of 4020828187768 is 8677818280204.

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 3 ways as a sum of consecutive naturals, for example, 35900251621 + ... + 35900251732.

It is an arithmetic number, because the mean of its divisors is an integer number (538503775155).

Almost surely, 2^{4020828187768} is an apocalyptic number.

It is an amenable number.

4020828187768 is an abundant number, since it is smaller than the sum of its proper divisors (4595232214712).

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

4020828187768 is a wasteful number, since it uses less digits than its factorization.

4020828187768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71800503366 (or 71800503362 counting only the distinct ones).

The product of its (nonzero) digits is 19267584, while the sum is 61.

The spelling of 4020828187768 in words is "four trillion, twenty billion, eight hundred twenty-eight million, one hundred eighty-seven thousand, seven hundred sixty-eight".