28153506200 has 96 divisors (see below), whose sum is σ = 69372903600. Its totient is φ = 10588938240.

The previous prime is 28153506197. The next prime is 28153506239. The reversal of 28153506200 is 260535182.

It is a super-2 number, since 2×28153506200² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4277312 + ... + 4283888.

Almost surely, 2^28153506200 is an apocalyptic number.

28153506200 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 28153506200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34686451800).

28153506200 is an abundant number, since it is smaller than the sum of its proper divisors (41219397400).

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

28153506200 is a wasteful number, since it uses less digits than its factorization.

28153506200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7869 (or 7860 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 28153506200 in words is "twenty-eight billion, one hundred fifty-three million, five hundred six thousand, two hundred".