9452143728 has 120 divisors (see below), whose sum is σ = 27800300528. Its totient is φ = 2994195456.

The previous prime is 9452143717. The next prime is 9452143741. The reversal of 9452143728 is 8273412549.

9452143728 is a `hidden beast` number, since 94 + 521 + 4 + 37 + 2 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 208476 + ... + 249732.

Almost surely, 2^9452143728 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 9452143728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13900150264).

9452143728 is an abundant number, since it is smaller than the sum of its proper divisors (18348156800).

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

9452143728 is a wasteful number, since it uses less digits than its factorization.

9452143728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41351 (or 41342 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 9452143728 is about 97222.1359979300. The cubic root of 9452143728 is about 2114.3494751685.

The spelling of 9452143728 in words is "nine billion, four hundred fifty-two million, one hundred forty-three thousand, seven hundred twenty-eight".