9538943040 has 504 divisors, whose sum is σ = 37269383424. Its totient is φ = 2235340800.

The previous prime is 9538943039. The next prime is 9538943087. The reversal of 9538943040 is 403498359.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 10802439 + ... + 10803321.

Almost surely, 2^9538943040 is an apocalyptic number.

9538943040 is a gapful number since it is divisible by the number (90) 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 9538943040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18634691712).

9538943040 is an abundant number, since it is smaller than the sum of its proper divisors (27730440384).

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

9538943040 is a wasteful number, since it uses less digits than its factorization.

9538943040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959 (or 935 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 9538943040 is about 97667.5127153344. The cubic root of 9538943040 is about 2120.8018089664.

The spelling of 9538943040 in words is "nine billion, five hundred thirty-eight million, nine hundred forty-three thousand, forty".