28004464208284 has 48 divisors (see below), whose sum is σ = 50745520163520. Its totient is φ = 13506658260480.

The previous prime is 28004464208269. The next prime is 28004464208293. The reversal of 28004464208284 is 48280246440082.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1031724417 + ... + 1031751559.

It is an arithmetic number, because the mean of its divisors is an integer number (1057198336740).

Almost surely, 2^{28004464208284} is an apocalyptic number.

It is an amenable number.

28004464208284 is a deficient number, since it is larger than the sum of its proper divisors (22741055955236).

28004464208284 is a wasteful number, since it uses less digits than its factorization.

28004464208284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35230 (or 35228 counting only the distinct ones).

The product of its (nonzero) digits is 6291456, while the sum is 52.

The spelling of 28004464208284 in words is "twenty-eight trillion, four billion, four hundred sixty-four million, two hundred eight thousand, two hundred eighty-four".