9381839040 has 448 divisors, whose sum is σ = 38460395520. Its totient is φ = 2108436480.

The previous prime is 9381839023. The next prime is 9381839053. The reversal of 9381839040 is 409381839.

It is a tau number, because it is divible by the number of its divisors (448).

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 (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3688009 + ... + 3690551.

Almost surely, 2^9381839040 is an apocalyptic number.

9381839040 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 9381839040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19230197760).

9381839040 is an abundant number, since it is smaller than the sum of its proper divisors (29078556480).

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

9381839040 is a wasteful number, since it uses less digits than its factorization.

9381839040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2637 (or 2621 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 9381839040 is about 96859.8938673794. The cubic root of 9381839040 is about 2109.0942737128.

The spelling of 9381839040 in words is "nine billion, three hundred eighty-one million, eight hundred thirty-nine thousand, forty".