4028755120684 has 96 divisors (see below), whose sum is σ = 8295255198720. Its totient is φ = 1675894862592.

The previous prime is 4028755120669. The next prime is 4028755120711. The reversal of 4028755120684 is 4860215578204.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 868825614 + ... + 868830250.

It is an arithmetic number, because the mean of its divisors is an integer number (86408908320).

Almost surely, 2^{4028755120684} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4028755120684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4147627599360).

4028755120684 is an abundant number, since it is smaller than the sum of its proper divisors (4266500078036).

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

4028755120684 is a wasteful number, since it uses less digits than its factorization.

4028755120684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6527 (or 6525 counting only the distinct ones).

The product of its (nonzero) digits is 4300800, while the sum is 52.

The spelling of 4028755120684 in words is "four trillion, twenty-eight billion, seven hundred fifty-five million, one hundred twenty thousand, six hundred eighty-four".