9528451540 has 24 divisors (see below), whose sum is σ = 20186830440. Its totient is φ = 3777650688.

The previous prime is 9528451489. The next prime is 9528451549. The reversal of 9528451540 is 451548259.

9528451540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 37405456 + 9491046084 = 6116^2 + 97422^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9528451549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2105805 + ... + 2110324.

It is an arithmetic number, because the mean of its divisors is an integer number (841117935).

Almost surely, 2^9528451540 is an apocalyptic number.

It is an amenable number.

9528451540 is an abundant number, since it is smaller than the sum of its proper divisors (10658378900).

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

9528451540 is a wasteful number, since it uses less digits than its factorization.

9528451540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4216251 (or 4216249 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 43.

The square root of 9528451540 is about 97613.7876531794. The cubic root of 9528451540 is about 2120.0239955158.

Adding to 9528451540 its reverse (451548259), we get a palindrome (9979999799).

The spelling of 9528451540 in words is "nine billion, five hundred twenty-eight million, four hundred fifty-one thousand, five hundred forty".