28995331200 has 768 divisors, whose sum is σ = 110216695680. Its totient is φ = 6635520000.

The previous prime is 28995331199. The next prime is 28995331219. The reversal of 28995331200 is 213359982.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 160195110 + ... + 160195290.

Almost surely, 2^28995331200 is an apocalyptic number.

28995331200 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 28995331200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55108347840).

28995331200 is an abundant number, since it is smaller than the sum of its proper divisors (81221364480).

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

28995331200 is a wasteful number, since it uses less digits than its factorization.

28995331200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297 (or 280 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The spelling of 28995331200 in words is "twenty-eight billion, nine hundred ninety-five million, three hundred thirty-one thousand, two hundred".