9439616340 has 384 divisors, whose sum is σ = 36915056640. Its totient is φ = 1945382400.

The previous prime is 9439616339. The next prime is 9439616363. The reversal of 9439616340 is 436169349.

9439616340 is a `hidden beast` number, since 9 + 4 + 3 + 9 + 6 + 1 + 634 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5446114 + ... + 5447846.

It is an arithmetic number, because the mean of its divisors is an integer number (96132960).

Almost surely, 2^9439616340 is an apocalyptic number.

9439616340 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 9439616340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18457528320).

9439616340 is an abundant number, since it is smaller than the sum of its proper divisors (27475440300).

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

9439616340 is a wasteful number, since it uses less digits than its factorization.

9439616340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1900 (or 1892 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 45.

The square root of 9439616340 is about 97157.6880128382. The cubic root of 9439616340 is about 2113.4149786403.

The spelling of 9439616340 in words is "nine billion, four hundred thirty-nine million, six hundred sixteen thousand, three hundred forty".