28304444440382 has 8 divisors (see below), whose sum is σ = 46316363629752. Its totient is φ = 12865656563800.

The previous prime is 28304444440379. The next prime is 28304444440403.

28304444440382 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×28304444440382² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28304444440382.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 643282828169 + ... + 643282828212.

It is an arithmetic number, because the mean of its divisors is an integer number (5789545453719).

Almost surely, 2^{28304444440382} is an apocalyptic number.

28304444440382 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28304444440382 is a deficient number, since it is larger than the sum of its proper divisors (18011919189370).

28304444440382 is a wasteful number, since it uses less digits than its factorization.

28304444440382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286565656394.

The product of its (nonzero) digits is 9437184, while the sum is 50.

The spelling of 28304444440382 in words is "twenty-eight trillion, three hundred four billion, four hundred forty-four million, four hundred forty thousand, three hundred eighty-two".