28330532853500 has 96 divisors (see below), whose sum is σ = 65143510897920. Its totient is φ = 10733620392000.

The previous prime is 28330532853463. The next prime is 28330532853509. The reversal of 28330532853500 is 535823503382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28330532853509) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47306939 + ... + 47902061.

It is an arithmetic number, because the mean of its divisors is an integer number (678578238520).

Almost surely, 2^{28330532853500} is an apocalyptic number.

28330532853500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28330532853500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32571755448960).

28330532853500 is an abundant number, since it is smaller than the sum of its proper divisors (36812978044420).

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

28330532853500 is a wasteful number, since it uses less digits than its factorization.

28330532853500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600172 (or 600160 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 47.

The spelling of 28330532853500 in words is "twenty-eight trillion, three hundred thirty billion, five hundred thirty-two million, eight hundred fifty-three thousand, five hundred".