28052801500 has 48 divisors (see below), whose sum is σ = 61283791296. Its totient is φ = 11218104000.

The previous prime is 28052801489. The next prime is 28052801537. The reversal of 28052801500 is 510825082.

It is a congruent number.

It is an unprimeable number.

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, 3326289 + ... + 3334711.

It is an arithmetic number, because the mean of its divisors is an integer number (1276745652).

Almost surely, 2^28052801500 is an apocalyptic number.

28052801500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28052801500 is an abundant number, since it is smaller than the sum of its proper divisors (33230989796).

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

28052801500 is a wasteful number, since it uses less digits than its factorization.

28052801500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15103 (or 15091 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 31.

The spelling of 28052801500 in words is "twenty-eight billion, fifty-two million, eight hundred one thousand, five hundred".