28848335220 has 288 divisors, whose sum is σ = 93825513600. Its totient is φ = 7358045184.

The previous prime is 28848335177. The next prime is 28848335221. The reversal of 28848335220 is 2253384882.

It is a happy number.

28848335220 is a `hidden beast` number, since 2 + 88 + 48 + 3 + 3 + 522 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28848335221) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 63125232 + ... + 63125688.

Almost surely, 2^28848335220 is an apocalyptic number.

28848335220 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 28848335220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46912756800).

28848335220 is an abundant number, since it is smaller than the sum of its proper divisors (64977178380).

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

28848335220 is a wasteful number, since it uses less digits than its factorization.

28848335220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672 (or 635 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 45.

The spelling of 28848335220 in words is "twenty-eight billion, eight hundred forty-eight million, three hundred thirty-five thousand, two hundred twenty".