9450390312 has 128 divisors (see below), whose sum is σ = 29625264000. Its totient is φ = 2764984320.

The previous prime is 9450390311. The next prime is 9450390377. The reversal of 9450390312 is 2130930549.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (9450390311) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 328 + ... + 137480.

It is an arithmetic number, because the mean of its divisors is an integer number (231447375).

Almost surely, 2^9450390312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9450390312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14812632000).

9450390312 is an abundant number, since it is smaller than the sum of its proper divisors (20174873688).

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

9450390312 is a wasteful number, since it uses less digits than its factorization.

9450390312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137208 (or 137198 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 9450390312 is about 97213.1180036933. The cubic root of 9450390312 is about 2114.2187265760.

The spelling of 9450390312 in words is "nine billion, four hundred fifty million, three hundred ninety thousand, three hundred twelve".