4028819705904 has 80 divisors (see below), whose sum is σ = 12520642714880. Its totient is φ = 1090507587840.

The previous prime is 4028819705903. The next prime is 4028819705927. The reversal of 4028819705904 is 4095079188204.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (4028819705903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 315534007 + ... + 315546774.

It is an arithmetic number, because the mean of its divisors is an integer number (156508033936).

Almost surely, 2^{4028819705904} is an apocalyptic number.

It is an amenable number.

4028819705904 is an abundant number, since it is smaller than the sum of its proper divisors (8491823008976).

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

4028819705904 is a wasteful number, since it uses less digits than its factorization.

4028819705904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631080818 (or 631080812 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 57.

The spelling of 4028819705904 in words is "four trillion, twenty-eight billion, eight hundred nineteen million, seven hundred five thousand, nine hundred four".