28233830448 has 100 divisors (see below), whose sum is σ = 81862154088. Its totient is φ = 9394548480.

The previous prime is 28233830437. The next prime is 28233830479. The reversal of 28233830448 is 84403833282.

28233830448 is a `hidden beast` number, since 2 + 8 + 2 + 338 + 304 + 4 + 8 = 666.

It is a super-4 number, since 4×28233830448⁴ (a number of 43 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 720940 + ... + 759092.

Almost surely, 2^28233830448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28233830448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40931077044).

28233830448 is an abundant number, since it is smaller than the sum of its proper divisors (53628323640).

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

28233830448 is a wasteful number, since it uses less digits than its factorization.

28233830448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38744 (or 38729 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 45.

The spelling of 28233830448 in words is "twenty-eight billion, two hundred thirty-three million, eight hundred thirty thousand, four hundred forty-eight".