2028663867384 has 384 divisors, whose sum is σ = 7165022572800. Its totient is φ = 525902388480.

The previous prime is 2028663867289. The next prime is 2028663867397. The reversal of 2028663867384 is 4837683668202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 60873094 + ... + 60906410.

It is an arithmetic number, because the mean of its divisors is an integer number (18658912950).

Almost surely, 2^{2028663867384} is an apocalyptic number.

2028663867384 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2028663867384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3582511286400).

2028663867384 is an abundant number, since it is smaller than the sum of its proper divisors (5136358705416).

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

2028663867384 is a wasteful number, since it uses less digits than its factorization.

2028663867384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33880 (or 33863 counting only the distinct ones).

The product of its (nonzero) digits is 111476736, while the sum is 63.

The spelling of 2028663867384 in words is "two trillion, twenty-eight billion, six hundred sixty-three million, eight hundred sixty-seven thousand, three hundred eighty-four".