9542525850 has 648 divisors, whose sum is σ = 32839249716. Its totient is φ = 1976832000.

The previous prime is 9542525849. The next prime is 9542525887. The reversal of 9542525850 is 585252459.

9542525850 is a `hidden beast` number, since 9 + 5 + 42 + 525 + 85 + 0 = 666.

9542525850 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 18 ways, for example, as 3836687481 + 5705838369 = 61941^2 + 75537^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

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

It is a junction number, because it is equal to n+sod(n) for n = 9542525796 and 9542525805.

It is an unprimeable number.

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 323 ways as a sum of consecutive naturals, for example, 156434820 + ... + 156434880.

Almost surely, 2^9542525850 is an apocalyptic number.

9542525850 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 9542525850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16419624858).

9542525850 is an abundant number, since it is smaller than the sum of its proper divisors (23296723866).

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

9542525850 is a wasteful number, since it uses less digits than its factorization.

9542525850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 45.

The square root of 9542525850 is about 97685.8528651923. The cubic root of 9542525850 is about 2121.0672988562.

The spelling of 9542525850 in words is "nine billion, five hundred forty-two million, five hundred twenty-five thousand, eight hundred fifty".