28002553000280 has 64 divisors (see below), whose sum is σ = 65955173434560. Its totient is φ = 10679790071808.

The previous prime is 28002553000223. The next prime is 28002553000319. The reversal of 28002553000280 is 8200035520082.

It is a self number, because there is not a number n which added to its sum of digits gives 28002553000280.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48334337 + ... + 48910256.

It is an arithmetic number, because the mean of its divisors is an integer number (1030549584915).

Almost surely, 2^{28002553000280} is an apocalyptic number.

28002553000280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28002553000280 is an abundant number, since it is smaller than the sum of its proper divisors (37952620434280).

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

28002553000280 is a wasteful number, since it uses less digits than its factorization.

28002553000280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97244940 (or 97244936 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 35.

The spelling of 28002553000280 in words is "twenty-eight trillion, two billion, five hundred fifty-three million, two hundred eighty", and thus it is an aban number.