28033501000 has 64 divisors (see below), whose sum is σ = 65623783680. Its totient is φ = 11209060800.

The previous prime is 28033500991. The next prime is 28033501009. The reversal of 28033501000 is 10533082.

It is an interprime number because it is at equal distance from previous prime (28033500991) and next prime (28033501009).

It is not an unprimeable number, because it can be changed into a prime (28033501009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4239697 + ... + 4246303.

It is an arithmetic number, because the mean of its divisors is an integer number (1025371620).

Almost surely, 2^28033501000 is an apocalyptic number.

28033501000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28033501000 is an abundant number, since it is smaller than the sum of its proper divisors (37590282680).

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

28033501000 is a wasteful number, since it uses less digits than its factorization.

28033501000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10871 (or 10857 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The spelling of 28033501000 in words is "twenty-eight billion, thirty-three million, five hundred one thousand".